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

985

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 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

2 / 9

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

amplitude

wavelength

frequency

speed

3 / 9

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

a ripple tank

a tuning fork

a helical spring (slinky)

a string

4 / 9

In a vacuum, all electromagnetic waves have the same:

wavelength

frequency

speed

amplitude

5 / 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

6 / 9

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

v f = λ

v = λ / f

f λ = v

v λ = f

7 / 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 simple pendulum

the motion of ceiling fan

8 / 9

Which of the following is a method of energy transfer?

wave motion

all of these

conduction

radiation

9 / 9

Wave transfer:

velocity

energy

frequency

wavelength

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Practice MCQs Test No 2

/12

582

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

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

Magnetic force

Force of gravity

Force of friction

Elastic force

3 / 12

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

2.25 m

1.25 m

0.25 m

3.25 m

4 / 12

What is the length of second’s pendulum?

1.02 km

1.02 m

1.02 mm

1.02 cm

5 / 12

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

Wavelength

Distance

Velocity

Frequency

6 / 12

What is the frequency of second pendulum?

0.5 Hz

2 Hz

1.5 Hz

1 Hz

7 / 12

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

0.4 Nm ^-1

2 Nm ^-1

0.2 Nm ^-1

4 Nm ^-1

8 / 12

S.I unit of spring constant “K” is:

Nm ^-1

Nm ^-2

Nm

N ^-1 m

9 / 12

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

f / √2

√2 f

f / 2

2 f

10 / 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

x=x_o / 4

11 / 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

Increase a factor of ‘2’

Increase a factor of ‘4’

Remains same

12 / 12

The pendulum clock was invented by:

Huygens

Newton

Faraday

Galileo

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