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

1450

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 9

Wave transfer:

frequency

energy

velocity

wavelength

2 / 9

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

a tuning fork

a ripple tank

a helical spring (slinky)

a string

3 / 9

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

amplitude

wavelength

frequency

speed

4 / 9

In a vacuum, all electromagnetic waves have the same:

amplitude

speed

wavelength

frequency

5 / 9

Which of the following is a method of energy transfer?

conduction

wave motion

all of these

radiation

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:

remain the same

be decreased by a factor of 2

be decreased by a factor of 4

be increased by a factor of 2

7 / 9

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

v f = λ

f λ = v

v = λ / f

v λ = f

8 / 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

53 cms^-1

60 cms^-1

750 cms^-1

9 / 9

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

a bouncing ball on a floor

the spinning of the Earth on its axis

the motion of ceiling fan

the motion of simple pendulum

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Practice MCQs Test No 2

/12

868

Class 10 Physics

Unit 10

Practice MCQs Test 2

1 / 12

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

Force of gravity

Force of friction

Elastic force

Magnetic force

2 / 12

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

Velocity

Wavelength

Distance

Frequency

3 / 12

S.I unit of spring constant “K” is:

Nm

Nm ^-1

Nm ^-2

N ^-1 m

4 / 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

5 / 12

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

2 f

√2 f

f / √2

f / 2

6 / 12

The pendulum clock was invented by:

Newton

Galileo

Faraday

Huygens

7 / 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

8 / 12

What is the length of second’s pendulum?

1.02 cm

1.02 m

1.02 km

1.02 mm

9 / 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 ‘4’

Increase a factor of √2

Increase a factor of ‘2’

Remains same

10 / 12

What is the frequency of second pendulum?

0.5 Hz

1 Hz

1.5 Hz

2 Hz

11 / 12

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

4 Nm ^-1

0.2 Nm ^-1

0.4 Nm ^-1

2 Nm ^-1

12 / 12

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

T / √2

2 T

T / 2

√2 T

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