Q8/10: Two simple harmonic motions y1 = a sin(wt) and y2 = a cos(wt) are superimposed. The resultant amplitude is?
Anonymous Quiz
3%
a
48%
2a
41%
a * sqrt(2)
7%
Zero
0%
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Q9/10: Assertion: In SHM, kinetic energy is maximum at the mean position. Reason: Velocity is maximum at the mean position.
Anonymous Quiz
35%
Both are true, Reason is correct explanation
42%
Both are true, Reason is not correct explanation
13%
Assertion is true, Reason is false
10%
Assertion is false, Reason is true
0%
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Q10/10: A uniform cylinder of length L and density d floats vertically in a liquid of density D. If pushed down, its time period is?
Anonymous Quiz
19%
2 * Pi * sqrt(L / g)
38%
2 * Pi * sqrt((L * d) / (D * g))
25%
2 * Pi * sqrt((L * D) / (d * g))
16%
2 * Pi * sqrt(g / L)
3%
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✨ Quiz Time! ✨
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Q1/10: Which type of wave requires a material medium for its propagation?
Anonymous Quiz
28%
Electromagnetic waves
28%
Light waves
26%
Sound waves
17%
X-rays
2%
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Q2/10: Sound waves in air are an example of which type of wave?
Anonymous Quiz
20%
Transverse mechanical waves
39%
Longitudinal mechanical waves
27%
Transverse electromagnetic waves
12%
Longitudinal electromagnetic waves
2%
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Q3/10: What is the distance between two consecutive nodes in a standing wave?
Anonymous Quiz
13%
Wavelength / 4
56%
Wavelength / 2
19%
Wavelength
13%
2 * Wavelength
0%
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Q4/10: Among the following, the speed of sound is maximum in which medium?
Anonymous Quiz
26%
Vacuum
28%
Air
26%
Water
19%
Steel
0%
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Q5/10: The phenomenon of beats in sound is a result of?
Anonymous Quiz
14%
Reflection
22%
Refraction
40%
Interference
22%
Diffraction
2%
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Q6/10: What is the correct relation between wave velocity (v), frequency (f), and wavelength (L)?
Anonymous Quiz
18%
v = f / L
35%
v = L / f
37%
v = f * L
10%
v = 1 / (f * L)
0%
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Q7/10: Which characteristic of a sound wave primarily determines its pitch?
Anonymous Quiz
31%
Amplitude
44%
Frequency
13%
Phase
13%
Intensity
0%
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Q8/10: The apparent change in frequency of sound due to relative motion between source and observer is known as?
Anonymous Quiz
38%
Doppler effect
23%
Raman effect
17%
Compton effect
19%
Zeeman effect
4%
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Q9/10: What is the fundamental frequency of a closed organ pipe of length L?
Anonymous Quiz
27%
v / L
35%
v / (2 * L)
25%
v / (4 * L)
8%
2 * v / L
4%
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Q10/10: If the tension in a stretched string is increased by 4 times, the speed of transverse waves on it will?
Anonymous Quiz
17%
Remain the same
33%
Double
25%
Halve
20%
Quadruple
5%
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❤1
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Next quiz Friday at 20:00
Thank you for participating.
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Next quiz Friday at 20:00
✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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❤3
Q1/10: Newton's formula for the speed of sound in a gas was corrected by which scientist?
Anonymous Quiz
31%
Einstein
25%
Maxwell
25%
Laplace
13%
Boyle
5%
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Q2/10: When a transverse wave reflects from a rigid boundary, what is the phase difference between the incident and reflected waves?
Anonymous Quiz
22%
Zero
25%
Pi/2 radians
37%
Pi radians
13%
2*Pi radians
3%
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Q3/10: Two sound waves of frequencies 256 Hz and 260 Hz are sounded together. What is the beat frequency?
Anonymous Quiz
22%
516 Hz
35%
4 Hz
33%
258 Hz
8%
2 Hz
2%
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Q4/10: The speed of a transverse wave on a string depends primarily on?
Anonymous Quiz
13%
The length of the string only
45%
Tension and linear mass density
25%
The amplitude of the wave
16%
The frequency of the wave
2%
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