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UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Ultrasonic waves are used for stirring liquid solutions because they____.

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 83
Sound waves in air are .... waves.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 84
Sound waves of wavelength greater than that of audible sound are called
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 85
The waves moving from a sitar to a listener in air are______.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 86
If Vm is the velocity of sound in moist air and Vd is the velocity of sound in dry air, then
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 87
Assertion (A) The energy (E) and momentum (p) of a photon are related E by p=Ec
Reason (R) The photon behaves like a particle.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 88
The length of a second pendulum (g = 980 cm/s2 ) is nearly
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 89
A progressive wave or travelling wave_____.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 3>Q 90
Velocity of wave in a string (thread) is