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Physics 10th Class English Medium Unit 1 Online Test MCQs With Answers

Question # 1

Mathematical formula of spring constant is:

Choose an answer

F/x

X/F

F/t

F/m

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Question # 2

If the distance is nspring is 'x' of mass 'm' attached with a spring then restoring force is:

Choose an answer

F =ma

F =kx

F = mx

F= m/a

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Question # 3

A device which has two ways of communication is:

Choose an answer

television

radio

hard disk

mobile phone

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Question # 4

The disturbance travelling in a medium is called:

Choose an answer

Wave motion

Simple harmonic motion

Motion

both a ,b

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Question # 5

It mass of bob o a simple pendulum is doubled, its time period.

Choose an answer

is doubled

become four times

remains same

none of the above

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Question # 6

Which of the following characteristic of a wave is independent of the others .

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speed

frequency

amplitude

wavelength

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Question # 7

Which of the following tasks are performed by most of the algorithms?

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Input

Out put

Processing

All of these

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Question # 8

The distance between two consecutive troughs or crests is called:

Choose an answer

wavelength

Frequency

Time period

None of these

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Question # 9

Which rays are used to send or receive digital information along aptical fibre:

Choose an answer

infrared

alpha rays

beta rays

mechanical

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Question # 10

Floppy has a storage capacity

Choose an answer

4-5 MB

3-4 MB

1-3 MB

3-6 MB

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Question # 11

Formula for time period of spring mass system is represented by:

Choose an answer

T = 2π√m/k

T = 2π √k/m

T = 1/2π√k/m

T = 1/2π√m/k

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Question # 12

The unit of frequency is:

Choose an answer

Heartz

Vibration per second

Cycle per second

all a, b, c

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Question # 13

Diffraction of wave can be observed clearly only when the size of slit or obstacle is nearly__________ to the wavelength of the wave:

Choose an answer

Two times

Equal

Four times

None of these

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