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

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696

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 9

In a vacuum, all electromagnetic waves have the same:

wavelength

speed

amplitude

frequency

2 / 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

60 cms^-1

53 cms^-1

750 cms^-1

3 / 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 2

remain the same

be decreased by a factor of 4

4 / 9

Which of the following is a method of energy transfer?

all of these

radiation

conduction

wave motion

5 / 9

Wave transfer:

energy

velocity

wavelength

frequency

6 / 9

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

speed

frequency

amplitude

wavelength

7 / 9

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

the motion of ceiling fan

the motion of simple pendulum

a bouncing ball on a floor

the spinning of the Earth on its axis

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

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

a tuning fork

a string

a helical spring (slinky)

a ripple tank

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Practice MCQs Test No 2

/12

390

Class 10 Physics

Unit 10

Practice MCQs Test 2

1 / 12

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

x=x_o / √2

x=x_o

x=x_o² / 3

x=x_o / 4

2 / 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

3 / 12

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

1.25 m

0.25 m

3.25 m

2.25 m

4 / 12

The pendulum clock was invented by:

Faraday

Huygens

Galileo

Newton

5 / 12

What is the length of second’s pendulum?

1.02 km

1.02 m

1.02 mm

1.02 cm

6 / 12

What is the frequency of second pendulum?

1 Hz

2 Hz

1.5 Hz

0.5 Hz

7 / 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’

8 / 12

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

4 Nm ^-1

0.4 Nm ^-1

0.2 Nm ^-1

2 Nm ^-1

9 / 12

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

2 f

f / 2

f / √2

√2 f

10 / 12

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

Frequency

Wavelength

Velocity

Distance

11 / 12

S.I unit of spring constant “K” is:

Nm ^-2

N ^-1 m

Nm

Nm ^-1

12 / 12

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

Force of friction

Magnetic force

Force of gravity

Elastic force

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