11th Class Physics MCQS Chapter 8

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11th Class Physics MCQS
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In stationary waves, the particle velocity at nodes is
Constant
Zero
Maximum
Minimum

In transverse waves the particles of medium vibrate
Along the direction of wave
Opposite to direction of wave
Slowly
Perpendicular to direction of wave

When ever the path difference between the waves is integral multiple of half the wavelength, interference will be
Destructive
(-)ve
Constructive
(+) ve

Which of the following is mechanical wave
Light
Sound
None of these
Heat

The mechanism of transports energy of all the waves is
Different
Easy
Same
Complicated

An oscillating mass-spring system produces
Light waves
Periodic waves
Electromagnetic waves
Sound waves

Who did give the correct formula for the speed of sound in air?
Laplace
Newton
Einstein
Boyle

Waves transport energy without transporting
Matter
All of these
Force
Momentum

When the amplitude of a wave become double, its energy becomes
Four times
One half
Three times
Two times

The speed of sound increases with the increase of in
Volume
Pressure
Density
Temperature

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