Physics 10 Unit 10 MCQs Tests

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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

68

Class 10 Physics

Unit 10

Practice MCQs Test 1

1 / 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

2 / 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

remain the same

be increased by a factor of 2

be decreased by a factor of 2

3 / 9

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

wavelength

speed

amplitude

frequency

4 / 9

Wave transfer:

velocity

wavelength

energy

frequency

5 / 9

In a vacuum, all electromagnetic waves have the same:

speed

wavelength

frequency

amplitude

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 an example of simple harmonic motion?

the motion of ceiling fan

the spinning of the Earth on its axis

the motion of simple pendulum

a bouncing ball on a floor

8 / 9

Which of the following is a method of energy transfer?

conduction

wave motion

radiation

all of these

9 / 9

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

v = λ / f

v f = λ

v λ = f

f λ = v

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Practice MCQs Test No 2

/12

56

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 / 4

x=x_o

x=x_o / √2

x=x_o² / 3

2 / 12

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

2 f

f / 2

f / √2

√2 f

3 / 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 ‘4’

Remains same

Increase a factor of √2

4 / 12

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

0.2 Nm ^-1

2 Nm ^-1

0.4 Nm ^-1

4 Nm ^-1

5 / 12

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

Force of gravity

Elastic force

Force of friction

Magnetic force

6 / 12

What is the frequency of second pendulum?

1 Hz

1.5 Hz

0.5 Hz

2 Hz

7 / 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

8 / 12

What is the length of second’s pendulum?

1.02 km

1.02 cm

1.02 m

1.02 mm

9 / 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

10 / 12

S.I unit of spring constant “K” is:

N ^-1 m

Nm ^-2

Nm

Nm ^-1

11 / 12

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

Frequency

Wavelength

Distance

Velocity

12 / 12

The pendulum clock was invented by:

Galileo

Faraday

Huygens

Newton

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