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

71

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 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

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

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:

53 cms^-1

1500 cms^-1

60 cms^-1

750 cms^-1

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 decreased by a factor of 4

be decreased by a factor of 2

remain the same

be increased by a factor of 2

5 / 9

Which of the following is a method of energy transfer?

all of these

conduction

radiation

wave motion

6 / 9

Wave transfer:

wavelength

frequency

velocity

energy

7 / 9

In a vacuum, all electromagnetic waves have the same:

wavelength

speed

frequency

amplitude

8 / 9

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

frequency

wavelength

amplitude

speed

9 / 9

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

f λ = v

v = λ / f

v f = λ

v λ = f

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Practice MCQs Test No 2

/12

54

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

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

3 / 12

S.I unit of spring constant “K” is:

Nm ^-2

Nm

Nm ^-1

N ^-1 m

4 / 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

5 / 12

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

4 Nm ^-1

0.4 Nm ^-1

2 Nm ^-1

0.2 Nm ^-1

6 / 12

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

√2 f

2 f

f / √2

f / 2

7 / 12

What is the frequency of second pendulum?

1.5 Hz

0.5 Hz

1 Hz

2 Hz

8 / 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 friction

Force of gravity

Elastic force

9 / 12

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

Wavelength

Frequency

Velocity

Distance

10 / 12

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

x=x_o / √2

x=x_o / 4

x=x_o

x=x_o² / 3

11 / 12

The pendulum clock was invented by:

Huygens

Galileo

Newton

Faraday

12 / 12

What is the length of second’s pendulum?

1.02 km

1.02 m

1.02 mm

1.02 cm

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