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 Frequency Videos With The Most Comments by PW Solutions


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