Physics 10 Unit 10 MCQs Tests

In this post, we have prepared 2 MCQs tests of Federal Board Physics 10 Unit 10 MCQs Tests. For more Class 10 Physics MCQs Tests visit this page.

Physics 10 Unit 10 MCQs Tests

Practice MCQs Test No 1

/9

161

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 9

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

750 cms^-1

60 cms^-1

1500 cms^-1

53 cms^-1

2 / 9

If the mass of the bob of a pendulum is increased by a factor of 3, the period of the pendulum's motion will:

be increased by a factor of 2

be decreased by a factor of 4

be decreased by a factor of 2

remain the same

3 / 9

Wave transfer:

wavelength

frequency

velocity

energy

4 / 9

Which of the following is an example of simple harmonic motion?

the spinning of the Earth on its axis

the motion of simple pendulum

a bouncing ball on a floor

the motion of ceiling fan

5 / 9

Which of the following characteristics of a wave is independent of the others?

speed

frequency

amplitude

wavelength

6 / 9

Which of the following is a method of energy transfer?

radiation

wave motion

all of these

conduction

7 / 9

The relation between v, f and λ of a wave is:

f λ = v

v = λ / f

v λ = f

v f = λ

8 / 9

In a vacuum, all electromagnetic waves have the same:

wavelength

frequency

speed

amplitude

9 / 9

Which of the following devices can be used to produce both transverse and longitudinal waves?

a helical spring (slinky)

a ripple tank

a tuning fork

a string

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Practice MCQs Test No 2

/12

107

Class 10 Physics

Unit 10

Practice MCQs Test 2

1 / 12

If the length of the simple pendulum is halved its new time period ‘T’ will become:

2 T

T / 2

√2 T

T / √2

2 / 12

What is the displacement of an object in simple harmonic motion when K.E=P.E?

x=x_o² / 3

x=x_o / √2

x=x_o

x=x_o / 4

3 / 12

When a ball is gently displaced from the centre of a bowl, it starts oscillating about the centre due to:

Elastic force

Magnetic force

Force of friction

Force of gravity

4 / 12

In case of vibratory motion, time period is reciprocal of the:

Velocity

Wavelength

Distance

Frequency

5 / 12

What is the frequency of second pendulum?

2 Hz

0.5 Hz

1 Hz

1.5 Hz

6 / 12

If the time period of simple pendulum is one second, then its length on earth will be:

2.25 m

1.25 m

0.25 m

3.25 m

7 / 12

What is the length of second’s pendulum?

1.02 mm

1.02 km

1.02 cm

1.02 m

8 / 12

If F=0.08N and X=4cm then value of “K” is:

2 Nm ^-1

0.4 Nm ^-1

0.2 Nm ^-1

4 Nm ^-1

9 / 12

S.I unit of spring constant “K” is:

Nm

Nm ^-1

Nm ^-2

N ^-1 m

10 / 12

The pendulum clock was invented by:

Faraday

Newton

Galileo

Huygens

11 / 12

If the mass of bob of a pendulum is increased by a factor of ‘2’ then the period of pendulum motion will:

Remains same

Increase a factor of √2

Increase a factor of ‘4’

Increase a factor of ‘2’

12 / 12

If the length of a simple pendulum is doubled, then its new frequency f ^' becomes:

√2 f

f / √2

2 f

f / 2

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