PW Solutions

PW Solutions

Views:
6,990,178
Subscribers:
502,000
Videos:
422,187
Duration:
970:23:24:44

PW Solutions is a content creator on YouTube with at least 502 thousand subscribers, publishing more than 422.19 thousand videos which altogether total over 6.99 million views.

Created on ● Channel Link: https://www.youtube.com/channel/UCrgyLs7vuu1lyy963Ycd-6A



Top 100 Most Liked Frequency Videos by PW Solutions


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