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 Viewed Frequency Videos by PW Solutions


Video TitleViewsCategoryGame
1.The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...481Frequency
2.For the following frequency distribution, construct a less than cumulative frequency curve. And ...163Frequency
3.Two waves with similar frequencies are added. The resulting wavefor...136Frequency
4.In a full wave rectifier, input ac current has a frequency \( v \). The output frequency of curr...125Frequency
5.What do you conclude from the graph about the frequency of KE, PE a...120Frequency
6.A tuning fork \(A\) of unknown frequency produces 5 beats/s with a fork of known frequency \(340....42Frequency
7.Frequency is the function of density \( (\rho) \), length \( (a) \) and surface tension \( (T) \...37Frequency
8.Obtain a relation between stopping potential, frequency of incident light and threshold frequency.29Frequency
9.If \( v_{1} \) is the frequency of series limit of Lyman series, \( v_{2} \) is frequency of fir...28Frequency
10.\( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o...20Frequency
11.A source of unknown frequency gives 4 beats/s when sounded with a source of known frequency \( 2...19Frequency
12.The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar...18Frequency
13.The figure shows a series LCR circuit connected to a variable frequency 230 V source.\....16Frequency
14.Fill in the Blanks a. is the reciprocal of frequency. b. The unit of quantity on which the loudne...13Frequency
15.If the mean of the following table is 30 , then find the missing frequencies. Class lnervel ...10Frequency
16.Construct a less than cumulative frequency curve W and a greater than cumulative frequency curve...9Frequency
17.A particle executes simple harmonic motion with a frequency \( f \). The frequency with which th...9Frequency
18.A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250....8Frequency
19.The second overtone of an open pipe A and a closed pipe B have the same frequencies. The ratio of...8Frequency
20.A fork \( A \) has frequency \( 2 \% \) more than the standard fork and \( B \) has a frequency ...8Frequency
21.A coil has resistance 30 ohm and inductive reactance 20 ohm at \( 50 \mathrm{~Hz} \) frequency. ...6Frequency
22.An ac source is connected to a capacitor C. Due to decrease in its operating frequency:....6Frequency
23.The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water a...6Frequency
24.The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...6Frequency
25.The frequency of tuning fork \( \mathrm{A} \) is \( 2 \% \) more than the frequency of a standar...6Frequency
26.A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom...6Frequency
27.\( v_{1} \) is the frequency of the series limit of Lyman series, \( v_{2} \) is the frequency o...6Frequency
28.What is the impedance of a capacitor of capacitance C in an ac circuit using source of frequency....6Frequency
29.A body is executing simple harmonic motion with frequency ' n ', the frequency of its potential ....5Frequency
30.The threshold frequency for a certain metal is v0. When a certain radiation of frequency 2v0 is ....5Frequency
31.The fundamental frequency of a closed organ pipe is same as the first overtone frequency of an op...5Frequency
32.The frequency of an \( E M \) wave is greater than frequency of oscillation of charge.5Frequency
33.Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio...5Frequency
34.Second overtone frequency of a closed pipe and fourth harmonic frequency of an open pipe are sam...4Frequency
35.\( n_{1} \) is the frequency of the pipe closed at one end and \( n_{2} \) is the frequency of t...4Frequency
36.A source of unknown frequency gives 4 beats/s, when sounded with a source of known frequency 250....4Frequency
37.What are (a) the lowest frequency, (b) the second lowest frequency, and (c) the third lowest fre...4Frequency
38.Consider the following frequency distribution: If the sum of all frequencies is 584 and median ....4Frequency
39.When the light of frequency 2v0 (where v0 is threshold frequency), is incident on a me....4Frequency
40.An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0...3Frequency
41.The frequency of a FM transmitter without signal input is called (a) Lower side band frequency (...3Frequency
42.Assertion: In LCR series AC circuit, XL = XC = R at a given frequency. When frequency is doubled....3Frequency
43.If the frequency of third harmonic of a closed organ pipe is same as the frequency of first over....3Frequency
44.Construct a greater than cumulative frequency curve. Class Interval Frequency 5-9 1 ...3Frequency
45.A body is executing simple harmonic motion with frequency ' n ', the frequency of its potential ....3Frequency
46.Assertion: When frequency is greater than resonant frequency in a series LCR circuit, it will be....2Frequency
47.Note is a sound a. of a mixture of several frequencies b. of a mixture of two frequencies only c...2Frequency
48.The ratio of maximum frequency and minimum frequency of light emitted in Balmer series of hydrog....2Frequency
49.(i) What is meant by frequency of sound (W) waves? (ii) Give the range of frequencies of sound w...2Frequency
50.The notes of frequencies which are integral multiple of the fundamental frequencies are called (...2Frequency
51.The frequency of first line of Balmer series in hydrogen atom is \( v_{0} \). The frequency of c...2Frequency
52.An alternating e.m.f. of frequency v=12pi;LC applied to a series LCR circuit. For this frequency....2Frequency
53.In the frequency distribution of the discrete data given below, the frequency \(k\) against valu....2Frequency
54.If the mean of the following table is 30 , then find (W) the missing frequencies. \( \begin{arra...2Frequency
55.Monochromatic light of frequency f is incident on emitter having threshold frequency f0. The kin....2Frequency
56.Doppler shift in frequency does not depend upon (a) frequency of the wave produced (b) velocity ...2Frequency
57.Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. W....2Frequency
58.Frequencies of two sound waves are 334 Hz and 326 Hz. If the velocity of the sound is 330 ms-1, ....1Frequency
59.Let \( f_{1} \) be the maximum frequency of Lyman series, \( f_{2} \) be the frequency of f....1Frequency
60.Assertion The frequency of the electromagnetic wave naturally equals the frequency of oscillatio...1Frequency
61.A charge is oscillating with frequency \( 10^{5} \) hertz. What is the frequency of the electrom...1Frequency
62.Doppler shift in frequency does not depend upon (a) frequency of the wave produced (b) velocity ...1Frequency
63.A message signal of frequency ωm  is superposed on a carrier wave of frequency &omega....1Frequency
64.A store emits sound of frequency \( 600 \mathrm{~Hz} \) inside water. The frequency heard in air....1Frequency
65.If the frequency of S.H.M. is a. Then frequency of oscillation of its kinetic energy is....1Frequency
66.Let \(v_1\) be the frequency of the series limit of the Lyman series, \(v _2\) be the frequency ....1Frequency
67.If the mean of the following table is 30 , then find the missing frequencies. \begin{tabular}{|c...1Frequency
68.In the frequency distribution of the discrete data given below, the frequency \(k\) against valu....1Frequency
69.Light of frequency v is incident on a photosensitive surface of threshold frequency v0v>v0. ....1Frequency
70.In half wave rectification, if the input frequency is 60 Hz, then the output frequency would be:....1Frequency
71.Frequency of A allele is 0.6 and that of B allele is 0.4 . What would be frequency of heterozygo....1Frequency
72.The reactance of a 25 micro;F capacitor at the AC frequency of 4000 Hz is....1Frequency
73.Frequency of A allele is 0.6 and that of B allele is 0.4 . What would be frequency of heterozygo....1Frequency
74.Construct a less than cumulative frequency curve and a greater than cumulative frequency curve a...1Frequency
75.An ultrasound machine in a medical healthcare centre uses a frequency of 20 MHz to diagnose human...1Frequency
76.Give the frequency ranges of the following: (i) High frequency band (HF) (ii) Very high frequenc...1Frequency
77.The condition when frequency of the applied force is equal to the natural frequency of the vibra....0Frequency
78.Frequency of wave is5#215;1014Hz. The wave is;....0Frequency
79.An FM signal has a resting frequency of \( 105 \mathrm{MHz} \) and highest frequency of \( 105.0...0Frequency
80.A particle executes simple harmonic motion with a frequency ' \\(f\\) ' . The frequency with whi....0Frequency
81.For the following frequency distribution, con- W struct a less than cumulative frequency curve. ...0Frequency
82.The frequency of a radar is . The frequency of reflected wave from an aeroplane is increased by ....0Frequency
83.First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an o...0Frequency
84.Light of frequency 1.5 times the threshold frequency is incident on a photosensitive material. W....0Frequency
85.If a variable frequency ac source is connected to a capacitor then with decrease in frequency, t....0Frequency
86.The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist...0Frequency
87.For the following frequency distribution, construct a less than cumulative frequency curve. And a...0Frequency
88.Note is a sound a. of a mixture of several frequencies b. of a mixture of two frequencies only c...0Frequency
89.(i) What is meant by frequency of sound (W) waves? (ii) Give the range of frequencies of sound w...0Frequency
90.An observer moves towards a stationary source of sound of frequency...0Frequency
91.The median and mode of a frequency distribution are 525 and 500 then mean of same frequency dist...0Frequency
92.Assertion: In LCR series AC circuit, XL = XC = R at a given frequency. When frequency is doubled....0Frequency
93.The human eye is most sensitive to which \( \mathrm{P} \) frequency...0Frequency
94.The threshold frequency of a photoelectric metal is $v_{0}$. If light of frequency $4 v_{0}$ is ....0Frequency
95.If a variable frequency ac source is connected to a capacitor then with decrease in frequency, t....0Frequency
96.Find the variance and SD for the given frequency distribution. Class Interval Frequency 1-...0Frequency
97.Ventilation rate may be expressed as (A) Inspiratory reserve volume \( \times \) Frequency of re...0Frequency
98.An alternating e.m.f. of frequency v=12pi;LC applied to a series LCR circuit. For this frequency....0Frequency
99. If \(v_1\) and \(v_2\) are the frequencies of two turning forks, then beat frequency is....0Frequency
100.The notes of frequencies which are integral multiple of the fundamental frequencies are called (...0Frequency