| 1. | Construct a less than cumulative frequency curve and a greater than cumulative frequency curve a... | 10:52 | | Frequency
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| 2. | Construct a less than cumulative frequency curve
W and a greater than cumulative frequency curve... | 10:52 | | Frequency
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| 3. | Second overtone frequency of a closed pipe and fourth harmonic frequency of an open pipe are sam... | 9:16 | | Frequency
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| 4. | For the following frequency distribution, construct a less than cumulative frequency curve. And a... | 9:11 | | Frequency
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| 5. | For the following frequency distribution, con-
W struct a less than cumulative frequency curve. ... | 9:11 | | Frequency
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| 6. | For the following frequency distribution, construct a less than cumulative frequency curve. And ... | 9:11 | | Frequency
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| 7. | If the mean of the following table is 30 , then find
(W) the missing frequencies.
\( \begin{arra... | 8:03 | | Frequency
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| 8. | If the mean of the following table is 30 , then find the missing frequencies.
\begin{tabular}{|c... | 8:03 | | Frequency
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| 9. | If the mean of the following table is 30 , then find the missing frequencies.
Class lnervel ... | 8:03 | | Frequency
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| 10. | Find the variance and SD for the given frequency distribution.
Class Interval Frequency
1-... | 7:24 | | Frequency
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| 11. | Let \(v_1\) be the frequency of the series limit of the Lyman series, \(v _2\) be the frequency .... | 6:52 | | Frequency
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| 12. | The second overtone of an open pipe A and a closed pipe B have the same frequencies. The ratio of... | 6:48 | | Frequency
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| 13. | Construct a greater than cumulative frequency curve.
Class Interval Frequency
5-9 1
... | 6:28 | | Frequency
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| 14. | (i) What is meant by frequency of sound
(W) waves?
(ii) Give the range of frequencies of sound w... | 6:07 | | Frequency
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| 15. | (i) What is meant by frequency of sound
(W) waves?
(ii) Give the range of frequencies of sound w... | 6:07 | | Frequency
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| 16. | Fill in the Blanks
a. is the reciprocal of frequency.
b. The unit of quantity on which the loudne... | 5:37 | | Frequency
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| 17. | Obtain a relation between stopping potential, frequency of incident light and threshold frequency. | 5:30 | | Frequency
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| 18. | Ventilation rate may be expressed as
(A) Inspiratory reserve volume \( \times \) Frequency of re... | 5:21 | | Frequency
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| 19. | The frequency of a radar is . The frequency of reflected wave from an aeroplane is increased by .... | 5:18 | | Frequency
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| 20. | The fundamental frequency of a closed organ pipe is same as the first overtone frequency of an op... | 5:15 | | Frequency
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| 21. | Frequency is the function of density \( (\rho) \), length \( (a) \) and surface tension \( (T) \... | 5:14 | | Frequency
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| 22. | First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an o... | 5:14 | | Frequency
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| 23. | What do you conclude from the graph about the frequency of KE, PE a... | 4:22 | | Frequency
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| 24. | Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio... | 4:06 | | Frequency
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| 25. | Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio... | 4:06 | | Frequency
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| 26. | \( n_{1} \) is the frequency of the pipe closed at one end and \( n_{2} \) is the frequency of t... | 4:02 | | Frequency
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| 27. | A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency \( 2... | 3:58 | | Frequency
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| 28. | A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom... | 3:58 | | Frequency
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| 29. | A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom... | 3:58 | | Frequency
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| 30. | Consider the following frequency distribution:
If the sum of all frequencies is 584 and median .... | 3:56 | | Frequency
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| 31. | A tuning fork \(A\) of unknown frequency produces 5 beats/s with a fork of known frequency \(340.... | 3:39 | | Frequency
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| 32. | An ultrasound machine in a medical healthcare centre uses a frequency of 20 MHz to diagnose human... | 3:38 | | Frequency
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| 33. | What are (a) the lowest frequency, (b) the second lowest frequency, and (c) the third lowest fre... | 3:37 | | Frequency
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| 34. | A coil has resistance 30 ohm and inductive reactance 20 ohm at \( 50 \mathrm{~Hz} \) frequency. ... | 3:37 | | Frequency
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| 35. | A particle executes simple harmonic motion with a frequency \( f \). The frequency with which th... | 3:33 | | Frequency
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| 36. | The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar... | 3:28 | | Frequency
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| 37. | The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar... | 3:28 | | Frequency
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| 38. | A fork \( A \) has frequency \( 2 \% \) more than the standard fork and \( B \) has a frequency ... | 3:21 | | Frequency
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| 39. | Two waves with similar frequencies are added. The resulting wavefor... | 3:17 | | Frequency
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| 40. | In a full wave rectifier, input ac current has a frequency \( v \). The output frequency of curr... | 3:09 | | Frequency
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| 41. | If \( v_{1} \) is the frequency of series limit of Lyman series, \( v_{2} \) is frequency of fir... | 3:08 | | Frequency
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| 42. | The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water a... | 3:04 | | Frequency
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| 43. | The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c... | 2:57 | | Frequency
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| 44. | The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c... | 2:57 | | Frequency
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| 45. | The notes of frequencies which are integral multiple of the fundamental frequencies are called
(... | 2:46 | | Frequency
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| 46. | The notes of frequencies which are integral multiple of the fundamental frequencies are called
(... | 2:46 | | Frequency
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| 47. | Let \( f_{1} \) be the maximum frequency of Lyman series, \( f_{2} \) be the frequency of f.... | 2:43 | | Frequency
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| 48. | The frequency of a FM transmitter without signal input is called
(a) Lower side band frequency
(... | 2:38 | | Frequency
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| 49. | In the frequency distribution of the discrete data given below, the frequency \(k\) against valu.... | 2:23 | | Frequency
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| 50. | In the frequency distribution of the discrete data given below, the frequency \(k\) against valu.... | 2:23 | | Frequency
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| 51. | The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist... | 2:16 | | Frequency
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| 52. | The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist... | 2:16 | | Frequency
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| 53. | The frequency of an \( E M \) wave is greater than frequency of oscillation of charge. | 2:13 | | Frequency
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| 54. | Give the frequency ranges of the following:
(i) High frequency band (HF) (ii) Very high frequenc... | 2:11 | | Frequency
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| 55. | Note is a sound
a. of a mixture of several frequencies
b. of a mixture of two frequencies only
c... | 2:07 | | Frequency
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| 56. | Note is a sound
a. of a mixture of several frequencies
b. of a mixture of two frequencies only
c... | 2:07 | | Frequency
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| 57. | The human eye is most sensitive to which
\( \mathrm{P} \)
frequency... | 2:03 | | Frequency
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| 58. | An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0... | 1:51 | | Frequency
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| 59. | An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0... | 1:51 | | Frequency
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| 60. | Doppler shift in frequency does not depend upon
(a) frequency of the wave produced
(b) velocity ... | 1:51 | | Frequency
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| 61. | Doppler shift in frequency does not depend upon
(a) frequency of the wave produced
(b) velocity ... | 1:51 | | Frequency
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| 62. | If the frequency of S.H.M. is a. Then frequency of
oscillation of its kinetic energy is.... | 1:51 | | Frequency
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| 63. | \( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o... | 1:42 | | Frequency
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| 64. | \( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o... | 1:42 | | Frequency
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| 65. | If \(v_1\) and \(v_2\) are the frequencies of two turning forks, then beat frequency is.... | 1:22 | | Frequency
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| 66. | An observer moves towards a stationary source of sound of frequency... | 1:20 | | Frequency
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| 67. | A store emits sound of frequency \( 600 \mathrm{~Hz} \) inside water. The frequency heard in air.... | 0:57 | | Frequency
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| 68. | The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c... | 0:00 | | Frequency
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| 69. | A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250.... | 0:00 | | Frequency
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| 70. | Frequencies of two sound waves are 334 Hz and 326 Hz. If the velocity of the sound is 330 ms-1, .... | 0:00 | | Frequency
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| 71. | The threshold frequency of a photoelectric metal is $v_{0}$. If light of frequency $4 v_{0}$ is .... | 0:00 | | Frequency
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| 72. | Assertion: In LCR series AC circuit, XL = XC = R at a given frequency. When frequency is doubled.... | 0:00 | | Frequency
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| 73. | A message signal of frequency ωm is superposed on a carrier wave of frequency &omega.... | 0:00 | | Frequency
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| 74. | Assertion: In LCR series AC circuit, XL = XC = R at a given frequency. When frequency is doubled.... | 0:00 | | Frequency
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| 75. | Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. W.... | 0:00 | | Frequency
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| 76. | An ac source is connected to a capacitor C. Due to decrease in its operating frequency:.... | 0:00 | | Frequency
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| 77. | The condition when frequency of the applied force is equal to the natural frequency of the vibra.... | 0:00 | | Frequency
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| 78. | Frequency of A allele is 0.6 and that of B allele is 0.4 . What would be frequency of heterozygo.... | 0:00 | | Frequency
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| 79. | Frequency of wave is5#215;1014Hz. The wave is;.... | 0:00 | | Frequency
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| 80. | In half wave rectification, if the input frequency is 60 Hz, then the output frequency would be:.... | 0:00 | | Frequency
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| 81. | If a variable frequency ac source is connected to a capacitor then with decrease in frequency, t.... | 0:00 | | Frequency
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| 82. | The ratio of maximum frequency and minimum frequency of light emitted in Balmer series of hydrog.... | 0:00 | | Frequency
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| 83. | Light of frequency v is incident on a photosensitive surface of threshold frequency v0v>v0. .... | 0:00 | | Frequency
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| 84. | The threshold frequency for a certain metal is v0. When a certain radiation of frequency 2v0 is .... | 0:00 | | Frequency
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| 85. | An alternating e.m.f. of frequency v=12pi;LC applied to a series LCR circuit. For this frequency.... | 0:00 | | Frequency
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| 86. | Monochromatic light of frequency f is incident on emitter having threshold frequency f0. The kin.... | 0:00 | | Frequency
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| 87. | If the frequency of third harmonic of a closed organ pipe is same as the frequency of first over.... | 0:00 | | Frequency
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| 88. | An alternating e.m.f. of frequency v=12pi;LC applied to a series LCR circuit. For this frequency.... | 0:00 | | Frequency
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| 89. | Assertion: When frequency is greater than resonant frequency in a series LCR circuit, it will be.... | 0:00 | | Frequency
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| 90. | Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. W.... | 0:00 | | Frequency
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| 91. | When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a me.... | 0:00 | | Frequency
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| 92. | A particle executes simple harmonic motion with a frequency ' \\(f\\) ' . The frequency with whi.... | 0:00 | | Frequency
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| 93. | What is the impedance of a capacitor of capacitance C in an ac circuit using source of frequency.... | 0:00 | | Frequency
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| 94. | A tuning fork of frequency 256 Hz will resonate with frequency:.... | 0:00 | | Frequency
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| 95. | The reactance of a 25 micro;F capacitor at the AC frequency of 4000 Hz is.... | 0:00 | | Frequency
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| 96. | A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250.... | 0:00 | | Frequency
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| 97. | Frequency of A allele is 0.6 and that of B allele is 0.4 . What would be frequency of heterozygo.... | 0:00 | | Frequency
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| 98. | If a variable frequency ac source is connected to a capacitor then with decrease in frequency, t.... | 0:00 | | Frequency
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| 99. | The figure shows a series LCR circuit connected to a variable frequency 230 V source.\.... | 0:00 | | Frequency
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| 100. | A body is executing simple harmonic motion with frequency ' n ', the frequency of its potential .... | 0:00 | | Frequency
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