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

635

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 9

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

frequency

wavelength

speed

amplitude

2 / 9

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

v = λ / f

v f = λ

v λ = f

f λ = v

3 / 9

Wave transfer:

energy

velocity

frequency

wavelength

4 / 9

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

the motion of simple pendulum

the motion of ceiling fan

the spinning of the Earth on its axis

a bouncing ball on a floor

5 / 9

In a vacuum, all electromagnetic waves have the same:

speed

wavelength

amplitude

frequency

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:

53 cms^-1

750 cms^-1

1500 cms^-1

60 cms^-1

7 / 9

Which of the following is a method of energy transfer?

wave motion

radiation

conduction

all of these

8 / 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 decreased by a factor of 4

be increased by a factor of 2

9 / 9

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

a helical spring (slinky)

a string

a tuning fork

a ripple tank

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Practice MCQs Test No 2

/12

363

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:

T / 2

T / √2

2 T

√2 T

2 / 12

S.I unit of spring constant “K” is:

Nm ^-1

Nm

N ^-1 m

Nm ^-2

3 / 12

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

√2 f

2 f

f / 2

f / √2

4 / 12

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

Magnetic force

Elastic force

Force of friction

Force of gravity

5 / 12

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

Wavelength

Velocity

Frequency

Distance

6 / 12

The pendulum clock was invented by:

Huygens

Faraday

Newton

Galileo

7 / 12

What is the frequency of second pendulum?

1.5 Hz

2 Hz

0.5 Hz

1 Hz

8 / 12

What is the length of second’s pendulum?

1.02 cm

1.02 m

1.02 km

1.02 mm

9 / 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 / 4

x=x_o

10 / 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 ‘4’

Increase a factor of ‘2’

11 / 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

12 / 12

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

0.25 m

1.25 m

3.25 m

2.25 m

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