| 2024-05-12 | Consider the following frequency distribution:
If the sum of all frequencies is 584 and median .... | 3:56 | 4 | | Frequency
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| 2024-02-05 | The frequency of a radar is . The frequency of reflected wave from an aeroplane is increased by .... | 5:18 | 0 | | Frequency
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| 2024-01-30 | Let \( f_{1} \) be the maximum frequency of Lyman series, \( f_{2} \) be the frequency of f.... | 2:43 | 1 | | Frequency
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| 2024-01-24 | A store emits sound of frequency \( 600 \mathrm{~Hz} \) inside water. The frequency heard in air.... | 0:57 | 1 | | Frequency
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| 2024-01-24 | If the frequency of S.H.M. is a. Then frequency of
oscillation of its kinetic energy is.... | 1:51 | 1 | | Frequency
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| 2022-11-16 | Which part of internal ear recognizes the different frequencies of sound?
(A) Tectorial membrane... | 10:07 | 1 | | Frequency
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| 2022-11-16 | A string under tension \( \tau_{i} \) oscillates in the third harmonic at frequency \( f_{3} \),... | 3:44 | 35 | | Frequency
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| 2022-11-16 | In an \( R L C \) series circuit, if the ac frequency is increased to a very large value, what v... | 7:26 | 1 | | Frequency
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| 2022-11-16 | A whistle of frequency \( 540 \mathrm{~Hz} \) moves in a circle of radius \( 60.0 \mathrm{~cm} \... | 6:14 | 4 | | Frequency
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| 2022-11-16 | You have five tuning forks that oscillate at close but different resonant frequencies. What are ... | 4:35 | 15 | | Frequency
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| 2022-11-16 | In a full wave rectifier, input ac current has a frequency \( v \). The output frequency of curr... | 3:09 | 125 | | Frequency
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| 2022-11-16 | Two identical photocathodes receive light of frequencies \( f_{1} \) and \( f_{2} \). If the vel... | 4:40 | 2 | | Frequency
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| 2022-11-16 | A photoelectron has a frequency \( v_{\mathrm{e}} \). It was ejected by a photon having frequenc... | 4:59 | 1 | | Frequency
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| 2022-11-16 | A certain spectral line has a wavelength of \( 4000 \mathrm{~A} \). Calculate the frequency and ... | 5:13 | 2 | | Frequency
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| 2022-11-16 | The ratio of frequencies of UV rays and infrared rays in glass is:
(A) More than 1
(B) Less than... | 3:56 | 8 | | Frequency
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| 2022-11-16 | A tuning fork of frequency \( 340 \mathrm{~Hz} \) is vibrated just above the tube of \( 120 \mat... | 3:28 | 32 | | Frequency
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| 2022-11-16 | Calculate mean, variance and standard deviation of the following frequency distribution
\( \begi... | 10:54 | 116 | | Frequency
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| 2022-11-16 | A tuning fork of frequency \( 480 \mathrm{~Hz} \) produces 10 beats per second when sounded with... | 2:40 | 3 | | Frequency
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| 2022-11-16 | A tuning fork of frequency \( 340 \mathrm{~Hz} \) is vibrated just above the tube of \( 120 \mat... | 3:28 | 3 | | Frequency
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| 2022-11-16 | A tuning fork of frequency \( 480 \mathrm{~Hz} \) produces 10 beats per second when sounded with... | 2:40 | 0 | | Frequency
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| 2022-11-16 | Monochromatic light of frequency \( 6.0 \times 10^{14} \mathrm{~Hz} \) is produced by a laser. T... | 6:05 | 238 | | Frequency
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| 2022-11-16 | An ac source of angular frequency \( \omega \) is fed across a resistor \( r \) and a capacitor ... | 6:02 | 5 | | Frequency
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| 2022-11-16 | (a) The frequency band
(p) \( 20 \mathrm{~Hz} \) to \( 20 \mathrm{kHz} \) of FM broadcast
(b) Th... | 1:44 | 1 | | Frequency
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| 2022-11-16 | If the frequencies of \( K_{\alpha}, K_{\beta} \), and \( L_{\alpha} \) x rays for a material \(... | 6:01 | 1 | Let's Play | Frequency
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| 2022-11-16 | Vibrations with frequency \( 6.00 \times 10^{2} \mathrm{~Hz} \) are established on a \( 1.33 \ma... | 4:14 | 0 | | Frequency
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| 2022-11-16 | What are (a) the lowest frequency, (b) the second lowest frequency, and (c) the third lowest fre... | 3:37 | 4 | | Frequency
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| 2022-11-16 | Assertion (A): The minimum frequency of radiations to show photoelectric effect depends upon the... | 2:46 | 0 | Show | Frequency
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| 2022-11-16 | How much (in per cent) does the free oscillation frequency \( \omega \) of a circuit with qualit... | 6:03 | 0 | | Frequency
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| 2022-11-16 | The frequency \( 5 \times 10^{19} \mathrm{~Hz} \) lies in the region of the electromagnetic spec... | 3:24 | 1 | | Frequency
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| 2022-11-16 | When a force \( F_{1} \) acts on a particle, frequency is \( 6 \mathrm{~Hz} \) and when a force ... | 2:55 | 6 | | Frequency
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| 2022-11-16 | Obtain a relation between stopping potential, frequency of incident light and threshold frequency. | 5:30 | 29 | | Frequency
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| 2022-11-16 | In the circuit shown in fig., \( R \) represents an electric bulb.
If the frequency of the supp... | 2:33 | 16 | Show | Frequency
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| 2022-11-16 | Second overtone frequency of a closed pipe and fourth harmonic frequency of an open pipe are sam... | 9:16 | 4 | | Frequency
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| 2022-11-16 | A source \( (S) \) emitting sound of frequency \( f_{0}=960 \mathrm{~Hz} \) is projected with ve... | 3:00 | 0 | | Frequency
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| 2022-11-16 | A source \( (S) \) emitting sound of frequency \( f_{0}=960 \mathrm{~Hz} \) is projected with ve... | 4:16 | 8 | | Frequency
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| 2022-11-16 | A source \( (S) \) emitting sound of frequency \( f_{0}=960 \mathrm{~Hz} \) is projected with ve... | 3:27 | 0 | | Frequency
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| 2022-11-16 | A tuning fork \( P \) of unknown frequency gives 7 beats in 2 seconds with another tuning fork \... | 5:08 | 1 | | Frequency
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| 2022-11-16 | Two speakers connected to the same source of fixed frequency are placed \( 2 \mathrm{~m} \) apar... | 4:01 | 3 | | Frequency
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| 2022-11-16 | A band playing music at a frequency \( f \) is moving towards a wall at a speed \( v_{b} \). A m... | 5:02 | 2 | | Frequency
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| 2022-11-16 | \( n_{1} \) is the frequency of the pipe closed at one end and \( n_{2} \) is the frequency of t... | 4:02 | 4 | | Frequency
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| 2022-11-16 | A whistle \( S \) of frequency \( f \) revolves in a circle of radius \( R \) at a constant sp... | 3:56 | 20 | | Frequency
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| 2022-11-16 | A sounding body emitting a frequency of \( 150 \mathrm{~Hz} \) is dropped from a height. During ... | 4:51 | 3 | | Frequency
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| 2022-11-16 | A long glass tube is held vertically, dipping into water, while a tuning fork of frequency \( 51... | 3:59 | 0 | | Frequency
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| 2022-11-16 | A tuning fork of frequency \( 256 \mathrm{~Hz} \) produces 4 beats per second with a wire of len... | 3:31 | 2 | | Frequency
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| 2022-11-16 | First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an o... | 5:14 | 0 | | Frequency
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| 2022-11-16 | Two persons \( A \) and \( B \), each carrying a source of frequency \( 300 \mathrm{~Hz} \), are... | 4:35 | 0 | | Frequency
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| 2022-11-16 | A sound source emits frequency of \( 180 \mathrm{~Hz} \) when moving towards a rigid wall with s... | 5:53 | 2 | | Frequency
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| 2022-11-16 | \( A, B \) and \( C \) are three tuning forks. Frequency of \( A \) is \( 350 \mathrm{~Hz} \). B... | 4:04 | 22 | | Frequency
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| 2022-11-16 | Ventilation rate may be expressed as
(A) Inspiratory reserve volume \( \times \) Frequency of re... | 5:21 | 0 | | Frequency
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| 2022-11-16 | A particle executes simple harmonic motion with a frequency \( f \). The frequency with which th... | 3:33 | 9 | | Frequency
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| 2022-11-16 | If a variable \( X \) takes values \( 0,1,2, \ldots, n \) with frequencies \( { }^{n} C_{0},{ }^... | 11:01 | 3 | | Frequency
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| 2022-11-16 | A source of light of frequency \( vv_{0} \) is placed at \( 2 \mathrm{~m} \) from the cathode of... | 7:38 | 6 | | Frequency
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| 2022-11-16 | A light ray of frequency \( v \) and wavelength \( \lambda \) enters a liquid of refractive inde... | 2:31 | 2 | | Frequency
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| 2022-11-16 | A railway engine whistling at a constant frequency moves with a constant speed. It goes past a s... | 4:42 | 20 | | Frequency
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| 2022-11-16 | Two identical photo-cathodes receive light of frequencies \( f_{1} \) and \( f_{2} \). If the ve... | 3:22 | 1 | | Frequency
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| 2022-11-16 | The frequency of fundamental mode of vibration of a stretched string fixed at both the ends is \... | 7:12 | 4 | | Frequency
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| 2022-11-16 | The frequency of fundamental mode of vibration of a stretched string fixed at both the ends is \... | 7:12 | 9 | | Frequency
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| 2022-11-16 | A variable frequency \( A C \) source is connected to a capacitor, the displacement current rema... | 2:36 | 3 | | Frequency
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| 2022-11-16 | Find the mean of the following frequency distribution using stepdeviation method:
\begin{tabular... | 5:30 | 37 | | Frequency
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| 2022-11-16 | From the following data, draw the two types of cumulative frequency curves and determine the med... | 25:09 | 1 | | Frequency
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| 2022-11-16 | Consider the following frequency distribution:
\begin{tabular}{|c|c|c|c|c|c|}
\hline Class & \( ... | 3:59 | 12 | | Frequency
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| 2022-11-16 | From the following data, draw the two types of cumulative frequency curves and determine the med... | 25:09 | 25 | | Frequency
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| 2022-11-16 | Find the mean of the following frequency distribution using stepdeviation method:
\begin{tabular... | 5:30 | 3 | | Frequency
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| 2022-11-16 | Consider the following frequency distribution:
\begin{tabular}{|c|c|c|c|c|c|}
\hline Class & \( ... | 3:59 | 1 | | Frequency
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| 2022-11-16 | \( \begin{array}{lrrcrr}\text { If photons of } & \text { frequency are } & v & \text { aretals ... | 5:40 | 10 | | Frequency
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| 2022-11-16 | The figure shows different graphs bet potential \( \left(V_{0}\right) \) and frequency \( (v) \)... | 4:42 | 3 | Show | Frequency
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| 2022-11-16 | The ratio of frequencies of \( U V \) rays and infrared rays in glass is:
(A) More than 1
(B) Le... | 6:26 | 13 | | Frequency
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| 2022-11-16 | An alternating sinusoidal current of frequency \( \omega=1000 \mathrm{~s}^{-1} \) flows in the w... | 4:47 | 2 | | Frequency
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| 2022-11-07 | Beats are produced by frequencies \( v_{1} \) and
\( v_{2} \) (such that \( v_{1}v_{2} \) ). Mat... | 2:49 | 4 | | Frequency
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| 2022-11-07 | Assertion To hear different beats, difference of the frequencies of two sources should be less t... | 1:49 | 1 | | Frequency
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| 2022-11-07 | A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency \( 2... | 3:58 | 19 | | Frequency
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| 2022-11-07 | If frequencies are \( (v-1) \) and \( (v+1) \), then find the value of beats. (a) 2 (b) 1 (c) 3 | 2:02 | 4 | | Frequency
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| 2022-11-07 | A wire under tension vibrates with a fundamental frequency of \( 600 \mathrm{~Hz} \). If the len... | 6:53 | 1 | | Frequency
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| 2022-11-07 | The natural frequencies of vibration of a building depend on
(i) its height and other size param... | 1:38 | 5 | | Frequency
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| 2022-11-07 | Two simple harmonic motions of angular frequency \( 100 \mathrm{rads}^{-1} \) and \( 1000 \mathr... | 2:41 | 4 | | Frequency
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| 2022-10-28 | A wire loop is rotated in magnetic field. The frequency of change of direction of the induced e.... | 0:55 | 54 | | Frequency
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| 2022-10-28 | A physical pendulum performs small oscillations about the horizontal axis with frequency \( \ome... | 5:33 | 3 | | Frequency
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| 2022-10-28 | A particle executes SHM along \( x \)-axis with a frequency \( \left(\frac{25}{\pi}\right) \math... | 2:26 | 4 | | Frequency
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| 2022-10-28 | A wire is stretched and fixed at its two ends. Its second overtone frequency is \( 210 \mathrm{~... | 4:24 | 0 | | Frequency
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| 2022-10-28 | A sonometer wire when vibrated in full length has frequency \( n \). Now, it is divided by the h... | 3:33 | 5 | | Frequency
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| 2022-10-28 | A guitar string is \( 90 \mathrm{~cm} \) long and has a fundamental frequency of \( 124 \mathrm{... | 3:46 | 0 | | Frequency
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| 2022-10-27 | When we hear a sound, we can identify its source from :
(A) The frequency of the sound
(B) The a... | 0:41 | 0 | | Frequency
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| 2022-10-27 | "When two particles executes SHM with different angular frequencies, they will be in same phase ... | 2:13 | 8 | | Frequency
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| 2022-10-27 | The frequency of \( 1^{\text {st }} \) line of Balmer series in \( \mathrm{H}_{2} \) atom is \( ... | 1:28 | 2 | | Frequency
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| 2022-10-27 | \( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o... | 1:42 | 20 | | Frequency
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| 2022-10-27 | When we hear a sound, we can identify its source from :
(A) The frequency of the sound
(B) The a... | 0:41 | 0 | | Frequency
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| 2022-10-27 | "When two particles executes SHM with different angular frequencies, they will be in same phase ... | 2:13 | 39 | | Frequency
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| 2022-10-27 | The frequency of \( 1^{\text {st }} \) line of Balmer series in \( \mathrm{H}_{2} \) atom is \( ... | 1:28 | 1 | | Frequency
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| 2022-10-27 | \( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o... | 1:42 | 6 | | Frequency
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| 2022-10-27 | The frequency of \( 1^{\text {st }} \) line of Balmer series in \( \mathrm{H}_{2} \) atom is \( ... | 1:28 | 4 | | Frequency
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| 2022-10-27 | An ac source of variable frequency \( f \) is connected to an \( L C R \) series circuit. Which ... | 0:51 | 17 | | Frequency
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| 2022-10-27 | Two planets at mean distance \( d_{1} \) and \( d_{2} \) from the sun and their frequencies are ... | 1:46 | 8 | | Frequency
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| 2022-10-27 | A particle performs uniform circular motion with an angular momentum \( L \). If the frequency o... | 1:41 | 838 | | Frequency
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| 2022-10-27 | Frequency is the function of density \( (\rho) \), length \( (a) \) and surface tension \( (T) \... | 5:14 | 37 | | Frequency
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| 2022-10-27 | A sample of 429 hypothetical populations showed the following allelic frequencies \( \left.\righ... | 1:38 | 0 | Show | Frequency
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| 2022-10-27 | Mendel described the frequency of for the offspring of a single II ; Hardy and Weinberg de scrib... | 2:15 | 7 | | Frequency
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| 2022-10-27 | A sample of 429 hypothetical populations showed the following allelic frequencies \( \left.\righ... | 1:38 | 5 | Show | Frequency
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| 2022-10-27 | Mendel described the frequency of for the offspring of a single II ; Hardy and Weinberg de scrib... | 2:15 | 1 | | Frequency
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| 2022-10-27 | In terms of gene frequencies, founder effect result in:
(a) polyploidy
(b) hybridization
(c) lar... | 1:47 | 6 | | Frequency
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| 2022-10-27 | An ultrasound machine in a medical healthcare centre uses a frequency of 20 MHz to diagnose human... | 3:38 | 1 | | Frequency
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