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 Controversial Frequency Videos by PW Solutions


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