Wave Motion NEET Questions

Physics - Oscillations and Waves

Wave Motion MCQ Questions


13.
Doppler effect is associated with:
A.
Change in speed of wave
B.
Change in amplitude
C.
Change in wavelength only
D.
Change in frequency due to relative motion
😑 View Answer Rough Work Error
ANSWER :
D. Change in frequency due to relative motion
14.
The frequency of a wave is doubled, then its wavelength will:
A.
Become zero
B.
Double
C.
Remain the same
D.
Be halved
😑 View Answer Rough Work Error
ANSWER :
D. Be halved
15.
A wave that requires a medium for propagation is called:
A.
Pilot wave
B.
Electromagnetic wave
C.
Matter wave
D.
Mechanical wave
😑 View Answer Rough Work Error
ANSWER :
D. Mechanical wave
16.
What determines the loudness of a sound wave?
A.
Phase
B.
Frequency
C.
Wavelength
D.
Amplitude
😑 View Answer Rough Work Error
ANSWER :
D. Amplitude
17.
What is the SI unit of wave number?
A.
s
B.
Hz
C.
m/s
D.
m⁻¹
😑 View Answer Rough Work Error
ANSWER :
D. m⁻¹
18.
The speed of a wave on a string is increased by:
A.
Decreasing the amplitude
B.
Decreasing the length
C.
Increasing the mass per unit length
D.
Increasing the tension
😑 View Answer Rough Work Error
ANSWER :
D. Increasing the tension