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

905

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 9

Wave transfer:

velocity

frequency

energy

wavelength

2 / 9

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

a ripple tank

a helical spring (slinky)

a tuning fork

a string

3 / 9

Which of the following is a method of energy transfer?

wave motion

all of these

radiation

conduction

4 / 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

53 cms^-1

60 cms^-1

1500 cms^-1

5 / 9

In a vacuum, all electromagnetic waves have the same:

speed

wavelength

amplitude

frequency

6 / 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 decreased by a factor of 2

remain the same

be increased by a factor of 2

be decreased by a factor of 4

7 / 9

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

v = λ / f

f λ = v

v f = λ

v λ = f

8 / 9

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

a bouncing ball on a floor

the motion of simple pendulum

the motion of ceiling fan

the spinning of the Earth on its axis

9 / 9

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

frequency

speed

wavelength

amplitude

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Practice MCQs Test No 2

/12

534

Class 10 Physics

Unit 10

Practice MCQs Test 2

1 / 12

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

Wavelength

Distance

Frequency

Velocity

2 / 12

What is the frequency of second pendulum?

1.5 Hz

0.5 Hz

1 Hz

2 Hz

3 / 12

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

Force of gravity

Magnetic force

Elastic force

Force of friction

4 / 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 / 4

x=x_o

5 / 12

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

2 f

f / 2

f / √2

√2 f

6 / 12

S.I unit of spring constant “K” is:

Nm

Nm ^-2

Nm ^-1

N ^-1 m

7 / 12

The pendulum clock was invented by:

Newton

Huygens

Galileo

Faraday

8 / 12

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

Increase a factor of √2

Remains same

Increase a factor of ‘4’

Increase a factor of ‘2’

9 / 12

What is the length of second’s pendulum?

1.02 mm

1.02 km

1.02 cm

1.02 m

10 / 12

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

3.25 m

2.25 m

1.25 m

0.25 m

11 / 12

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

√2 T

2 T

T / 2

T / √2

12 / 12

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

2 Nm ^-1

0.4 Nm ^-1

4 Nm ^-1

0.2 Nm ^-1

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