Question # 1

In simple harmonic motion, the acceleration of the body is…………. Proportional to the displacement.

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Inversely

Directly

Equally

Ration

Which component is output device of computer:

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CPU

C.D

Keyboard

Monitor

If the displacement in spring is ‘x’ of mass “m” attached with a spring then restoring force is:

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F=ma

F=kx

F=-kx

F= m/a

The advantages of electronic mail are:

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Fast communication

Cost free service

More efficient

All of these

Ripple tank is an instrument which is used to study the characteristics of:

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Mechanical waves

Light waves

Radio waves

Electro-magnet waves

Which is an example of a longitudinal wave?

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Sound wave

Light wave

Radio wave

Water wave

1 GB =

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1022MB

1023 MB

1024MB

1025MB

the water waves after striking the hurdle will:

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reflect

refract

diffract

all a b and c

High pitch means:

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High wavelength

High frequency

High time period

High energy

Mathematical formula of sound level (in bel) is:

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S.L = 10 log I/Io (bel)

S.L = K log I/Io (bel)

S.L = Log I/Io (bel)

S.L = 10 log Io/I (bel)

If the mass of bob of a simple pendulum is doubled, its time period:

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Is doubled

Becomes four times

Remains same

Becomes half

The energy is transferred from one place of another:

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through matter

through waves

both a and b

through vacuum

Which of the following reasons increase the importance of computer:

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Speedy

Long time storage of memory

Quick decision

All of these

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Physics 10th Class English Medium Unit 2 Online Test MCQs With Answers

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