Question # 1

Who did give the correct formula for the speed of sound in air?

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Boyle

Laplace

Newton

Einstein

the velocity of sound at 0 ^oC is 332 ms-1, the velocity of sound at 10 ^oC will be

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337.1 ms-1

338.1 ,ms-1

342.1 ms-1

328.1 ms-1

Radar system is an application of.

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Chemical effect

Electric effect

Magnetic effect

Doppler's effect

In stationary waves, the velocity of particle at the node is.

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Maximum

Infinite

Zero

Varible

Sound waves are

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Electromagnetic waves

Transverse waves

Compressional waves

Matter waves

The distance between the consecutive nodes is

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An oscillating mass-spring system produces

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Sound waves

Electromagnetic waves

Light waves

Periodic waves

A bat finding its correct location by sending

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Matter waves

Ultrasonic waves

Infrasonic waves

electromagnetic waves

The experimental value for the velocity of sound in air is

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233 m-sec^-1

333 m-sec^-1

433 m-sec^-1

533 m-sec^-1

When ever the path difference between the waves is integral multiple of half the wavelength, interference will be

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Constructive

Destructive

(-)ve

(+) ve

the example of mechanical waves is

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Water waves

Infrared waves

Radio waves

Ultraviolet waves

Which of the following is mechanical wave

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Heat

Light

Sound

None of these

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Physics English Medium Fsc Part 1 Chapter 8 Online MCQs Test MCQs With Answers

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