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

Question # 1

The force applied on the mass attached with a spring is represented by:

Choose an answer

F_a

F_c

F_ext

F_s

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Question # 2

It mean position kinetic energy of the ball is:

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Minimum

Zero

Maximum

None of these

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Question # 3

If the mass of a spring mass system is doubled, its time period becomes:

Choose an answer

√2 T

T/2

√T/2

T/√2

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Question # 4

The maximum displacement from mean position is called:

Choose an answer

Maximum height

Time period

Amplitude

Intervel

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Question # 5

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

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T = 2π√m/k

T = 2π √k/m

T = 1/2π√k/m

T = 1/2π√m/k

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Question # 6

The unit of frequency is:

Choose an answer

Heartz

Vibration per second

Cycle per second

all a, b, c

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Question # 7

At extreme position potential energy of the pendulum is

Choose an answer

Maximum

Miimum

a and b

zero

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Question # 8

The time period of simple pendulum can be calculated by:

Choose an answer

T = 2π√L/g

T = 2 π √m/k

T = 2 π √g/L

T = 2 π √K/m

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Question # 9

A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete wae in distance of 50 cm. The velocity of the wave is:

Choose an answer

54 cms^-1

60 cms^-1

750 cms^-1

1500 cms^-1

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Question # 10

The waves, which are used to detect the broken bones, are called:

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Light waves

x-rays

Sound waves

both b,c,

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Question # 11

The distance between two consecutive troughs or crests is called:

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wavelength

Frequency

Time period

None of these

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Question # 12

Thye Water waves obey the laws of

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Reflection

Refraction

Diffraction

All of these

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Question # 13

Waves transfer:

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Energy

Wavelength

Velocity

frequency

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