PW Solutions

PW Solutions

Views:
6,915,496
Subscribers:
451,000
Videos:
422,179
Duration:
970:23:24:44

PW Solutions is a content creator on YouTube with at least 451 thousand subscribers, publishing more than 422.18 thousand videos which altogether total over 6.92 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.\( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o...2Frequency
4.Frequency is the function of density \( (\rho) \), length \( (a) \) and surface tension \( (T) \...2Frequency
5.A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom...2Frequency
6.For the following frequency distribution, construct a less than cumulative frequency curve. And ...2Frequency
7.Obtain a relation between stopping potential, frequency of incident light and threshold frequency.1Frequency
8.The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar...1Frequency
9.A particle executes simple harmonic motion with a frequency \( f \). The frequency with which th...1Frequency
10.What are (a) the lowest frequency, (b) the second lowest frequency, and (c) the third lowest fre...0Frequency
11.A tuning fork \(A\) of unknown frequency produces 5 beats/s with a fork of known frequency \(340....0Frequency
12.Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio...0Frequency
13.A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom...0Frequency
14.The frequency of an \( E M \) wave is greater than frequency of oscillation of charge.0Frequency
15.Doppler shift in frequency does not depend upon (a) frequency of the wave produced (b) velocity ...0Frequency
16.The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...0Frequency
17.The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...0Frequency
18.Let \(v_1\) be the frequency of the series limit of the Lyman series, \(v _2\) be the frequency ....0Frequency
19.First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an o...0Frequency
20.An observer moves towards a stationary source of sound of frequency...0Frequency
21.The frequency of a radar is . The frequency of reflected wave from an aeroplane is increased by ....0Frequency
22.Construct a less than cumulative frequency curve W and a greater than cumulative frequency curve...0Frequency
23.A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency \( 2...0Frequency
24.For the following frequency distribution, construct a less than cumulative frequency curve. And a...0Frequency
25.If the mean of the following table is 30 , then find the missing frequencies. \begin{tabular}{|c...0Frequency
26.For the following frequency distribution, con- W struct a less than cumulative frequency curve. ...0Frequency
27.Find the variance and SD for the given frequency distribution. Class Interval Frequency 1-...0Frequency
28.The second overtone of an open pipe A and a closed pipe B have the same frequencies. The ratio of...0Frequency
29.The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist...0Frequency
30.Construct a greater than cumulative frequency curve. Class Interval Frequency 5-9 1 ...0Frequency
31.The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water a...0Frequency
32.\( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o...0Frequency
33.The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist...0Frequency
34.A fork \( A \) has frequency \( 2 \% \) more than the standard fork and \( B \) has a frequency ...0Frequency
35.Two waves with similar frequencies are added. The resulting wavefor...0Frequency
36.The notes of frequencies which are integral multiple of the fundamental frequencies are called (...0Frequency
37.An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0...0Frequency
38.Fill in the Blanks a. is the reciprocal of frequency. b. The unit of quantity on which the loudne...0Frequency
39.Give the frequency ranges of the following: (i) High frequency band (HF) (ii) Very high frequenc...0Frequency
40.The frequency of a FM transmitter without signal input is called (a) Lower side band frequency (...0Frequency
41.If the frequency of S.H.M. is a. Then frequency of oscillation of its kinetic energy is....0Frequency
42.The fundamental frequency of a closed organ pipe is same as the first overtone frequency of an op...0Frequency
43.Construct a less than cumulative frequency curve and a greater than cumulative frequency curve a...0Frequency
44.The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar...0Frequency
45.If the mean of the following table is 30 , then find the missing frequencies. Class lnervel ...0Frequency
46.(i) What is meant by frequency of sound (W) waves? (ii) Give the range of frequencies of sound w...0Frequency
47.Note is a sound a. of a mixture of several frequencies b. of a mixture of two frequencies only c...0Frequency
48.A store emits sound of frequency \( 600 \mathrm{~Hz} \) inside water. The frequency heard in air....0Frequency
49.Consider the following frequency distribution: If the sum of all frequencies is 584 and median ....0Frequency
50.The human eye is most sensitive to which \( \mathrm{P} \) frequency...0Frequency
51.In the frequency distribution of the discrete data given below, the frequency \(k\) against valu....0Frequency
52.In the frequency distribution of the discrete data given below, the frequency \(k\) against valu....0Frequency
53.Ventilation rate may be expressed as (A) Inspiratory reserve volume \( \times \) Frequency of re...0Frequency
54.The notes of frequencies which are integral multiple of the fundamental frequencies are called (...0Frequency
55.\( n_{1} \) is the frequency of the pipe closed at one end and \( n_{2} \) is the frequency of t...0Frequency
56. If \(v_1\) and \(v_2\) are the frequencies of two turning forks, then beat frequency is....0Frequency
57.Note is a sound a. of a mixture of several frequencies b. of a mixture of two frequencies only c...0Frequency
58.If \( v_{1} \) is the frequency of series limit of Lyman series, \( v_{2} \) is frequency of fir...0Frequency
59.An ultrasound machine in a medical healthcare centre uses a frequency of 20 MHz to diagnose human...0Frequency
60.A coil has resistance 30 ohm and inductive reactance 20 ohm at \( 50 \mathrm{~Hz} \) frequency. ...0Frequency
61.(i) What is meant by frequency of sound (W) waves? (ii) Give the range of frequencies of sound w...0Frequency
62.What do you conclude from the graph about the frequency of KE, PE a...0Frequency
63.If the mean of the following table is 30 , then find (W) the missing frequencies. \( \begin{arra...0Frequency
64.Second overtone frequency of a closed pipe and fourth harmonic frequency of an open pipe are sam...0Frequency
65.Let \( f_{1} \) be the maximum frequency of Lyman series, \( f_{2} \) be the frequency of f....0Frequency
66.An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0...0Frequency
67.Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio...0Frequency
68.Doppler shift in frequency does not depend upon (a) frequency of the wave produced (b) velocity ...0Frequency