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

1769

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 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

2 / 9

Wave transfer:

velocity

wavelength

energy

frequency

3 / 9

Which of the following is a method of energy transfer?

all of these

wave motion

radiation

conduction

4 / 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

remain the same

be decreased by a factor of 4

be decreased by a factor of 2

5 / 9

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

the motion of simple pendulum

the spinning of the Earth on its axis

a bouncing ball on a floor

the motion of ceiling fan

6 / 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:

1500 cms^-1

750 cms^-1

60 cms^-1

53 cms^-1

7 / 9

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

frequency

wavelength

speed

amplitude

8 / 9

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

v = λ / f

v f = λ

v λ = f

f λ = v

9 / 9

In a vacuum, all electromagnetic waves have the same:

wavelength

amplitude

speed

frequency

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Practice MCQs Test No 2

/12

1020

Class 10 Physics

Unit 10

Practice MCQs Test 2

1 / 12

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

f / 2

f / √2

2 f

√2 f

2 / 12

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

2 Nm ^-1

0.2 Nm ^-1

4 Nm ^-1

0.4 Nm ^-1

3 / 12

What is the length of second’s pendulum?

1.02 km

1.02 mm

1.02 m

1.02 cm

4 / 12

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

T / √2

√2 T

2 T

T / 2

5 / 12

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

Velocity

Distance

Wavelength

Frequency

6 / 12

The pendulum clock was invented by:

Huygens

Galileo

Faraday

Newton

7 / 12

What is the frequency of second pendulum?

1 Hz

0.5 Hz

1.5 Hz

2 Hz

8 / 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 ‘2’

Increase a factor of ‘4’

9 / 12

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

0.25 m

2.25 m

3.25 m

1.25 m

10 / 12

S.I unit of spring constant “K” is:

Nm

Nm ^-2

Nm ^-1

N ^-1 m

11 / 12

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

Magnetic force

Force of gravity

Force of friction

Elastic force

12 / 12

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

x=x_o / √2

x=x_o² / 3

x=x_o

x=x_o / 4

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