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

Question # 1

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

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Question # 2

In stationary waves, the particle velocity at nodes is

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Minimum

Maximum

Zero

Constant

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Question # 3

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

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Question # 4

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

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1 Hz

2 Hz

5 Hz

10 Hz

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Question # 5

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

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Question # 6

The speed of sound increases with the increase of in

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Pressure

Volume

Temperature

Density

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Question # 7

Light waves are

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Longtail waves

Transvers waves

Stationary waves

Mechanical wave

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Question # 8

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

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Maximum

Infinite

Zero

Varible

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Question # 9

If 30 waves per second pass through a medium at a speed 30 ms-1, then the wavelength is.

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30 m

15 m

1 m

28 m

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Question # 10

The distance between the consecutive nodes is

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Question # 11

A stationary waves is established din a string which vibrates in four segments at a frequency of 120 Hz, Its fundamental frequency is.

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15 Hz

30 HZ

60 Hz

480 Hz

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