physics MCQs - 10th class Chapter 01 Mcqs

1

Simple Harmonic Motion (SHM) is a special type of what kind of motion?

A

Linear motion

B

Rotational motion

C

Vibratory motion

D

Random motion

2

According to Hooke's Law, the restoring force F is directly proportional to the...

A

mass

B

acceleration

C

displacement x

D

spring constant k

3

In the equation F = -kx, the negative sign indicates that the force is always directed...

A

away from the mean position

B

towards the mean position

C

in the direction of motion

D

perpendicular to displacement

4

Where is the kinetic energy of a mass-spring system at its maximum?

A

At the extreme positions

B

At the mean position

C

When potential energy is maximum

D

Halfway between mean and extreme position

5

The time period of a mass 'm' attached to a spring with constant 'k' is given by?

A

T = 2π√(k/m)

B

T = 2π√(m/k)

C

T = 2π√(g/l)

D

T = 1/f

6

What is the net force on the bob of a simple pendulum at its mean position?

A

Maximum

B

Constant

C

Zero

D

Directed upwards

7

The restoring force in a simple pendulum is provided by which component of its weight?

A

mg sinθ

B

mg cosθ

C

mg

D

Tension in the string

8

The time period of a simple pendulum is independent of which of the following?

A

Length of the pendulum

B

Acceleration due to gravity

C

Mass of the bob

D

Both length and gravity

9

What is the velocity of an object executing SHM at its extreme positions?

A

Maximum

B

Constant

C

Zero

D

Half of maximum velocity

10

One complete round trip of a vibrating body about its mean position is called one...?

A

Frequency

B

Period

C

Amplitude

D

Vibration

11

The number of cycles a vibrating body completes in one second is known as...

A

Time Period

B

Amplitude

C

Wavelength

D

Frequency

12

What does damping cause in an oscillating system?

A

An increase in amplitude

B

A progressive reduction in amplitude

C

An increase in frequency

D

A constant amplitude

13

A practical application of damped motion mentioned in the text is...

A

a pendulum clock

B

a bouncing ball

C

a shock absorber in a car

D

the motion of a ceiling fan

14

The oscillations of a system in the presence of a resistive force are called...?

A

Simple harmonic oscillations

B

Forced oscillations

C

Damped oscillations

D

Resonant oscillations

15

Waves are a means of transferring what from one place to another?

A

Matter

B

Mass

C

Energy

D

Medium

16

Which of the following requires a medium for its propagation?

A

Electromagnetic waves

B

Light waves

C

X-rays

D

Mechanical waves

17

Which of the following is an example of an electromagnetic wave?

A

Sound waves

B

Water waves

C

Waves on a string

D

Radio waves

18

In which type of wave do particles of the medium move perpendicular to the direction of wave propagation?

A

Longitudinal

B

Compressional

C

Transverse

D

Sound

19

The regions in a longitudinal wave where loops of the spring are close together are called...?

A

Rarefactions

B

Crests

C

Troughs

D

Compressions

20

The distance between two consecutive crests or troughs is known as the...?

A

Amplitude

B

Frequency

C

Wavelength

D

Period

21

In a slinky, how can you produce a longitudinal wave?

A

Move it up and down

B

Push and pull it along its length

C

Twist it

D

Shake it from side to side

22

Waves on the surface of water are an example of...

A

Longitudinal waves

B

Transverse waves

C

Electromagnetic waves

D

Stationary waves

23

The amount of energy carried by a wave is directly dependent on its...?

A

Speed

B

Frequency

C

Wavelength

D

Amplitude

24

The relationship v = fλ is true for...

A

only transverse waves

B

only longitudinal waves

C

both longitudinal and transverse waves

D

only electromagnetic waves

25

What is the relationship between time period (T) and frequency (f)?

A

T = f

B

T = 1/f

C

T = f/2

D

T = 2f

26

A device used to produce water waves and study their characteristics is a...

A

slinky spring

B

tuning fork

C

ripple tank

D

pendulum

27

What happens to the wavelength of water waves as they enter a region of shallow water from deep water?

A

It increases

B

It remains the same

C

It decreases

D

It becomes zero

28

What happens to the frequency of a wave when it moves from one medium to another?

A

It increases

B

It decreases

C

It remains the same

D

It depends on the new medium

29

The bouncing back of a wave from the surface of another medium is called...?

A

Refraction

B

Diffraction

C

Reflection

D

Interference

30

The law of reflection states that the angle of incidence is equal to the...

A

angle of refraction

B

angle of diffraction

C

angle of reflection

D

angle of propagation

31

The bending or spreading of waves around the sharp edges of an obstacle is called...?

A

Reflection

B

Refraction

C

Dispersion

D

Diffraction

32

For diffraction to be observed clearly, the size of the obstacle must be...

A

much larger than the wavelength

B

much smaller than the wavelength

C

comparable to the wavelength

D

exactly twice the wavelength

33

In a ripple tank, crests of waves appear as which lines on the screen?

A

Dark lines

B

Bright lines

C

Blue lines

D

Red lines

34

In a ripple tank, what represents the wavefronts when a straight paddle vibrates?

A

Circular lines

B

Curved lines

C

Straight lines

D

Dotted lines

35

The motion of a ball placed in a bowl is an example of...?

A

Damped oscillation

B

Simple Harmonic Motion

C

Linear motion

D

Rotational motion

36

When a car travels over a bump, shock absorbers convert vibrational energy into...

A

Kinetic energy

B

Potential energy

C

Heat energy

D

Sound energy

37

A spider detects its prey due to what phenomenon produced in its web?

A

Reflection

B

Refraction

C

Sound

D

Vibration

38

The lowest points in a transverse wave are called...?

A

Crests

B

Compressions

C

Troughs

D

Rarefactions

39

Sound waves are an example of which type of wave?

A

Transverse

B

Electromagnetic

C

Longitudinal

D

Matter wave

40

What is the time taken by a simple pendulum to complete one cycle called?

A

Frequency

B

Amplitude

C

Time period

D

Wavelength

41

Christian Huygens invented which device inspired by Galileo's work on pendulums?

A

The telescope

B

The microscope

C

The pendulum clock

D

The barometer

42

The speed of a wave in water depends on the...

A

frequency of the vibrator

B

amplitude of the wave

C

depth of the water

D

color of the water

43

If you shake a string faster, you produce a wave with a higher...

A

wavelength

B

amplitude

C

speed

D

frequency

44

The motion of a human eardrum can be described as...

A

oscillation

B

linear motion

C

circular motion

D

random motion

45

When a wave passes through a large slit, where does a small amount of diffraction occur?

A

At the center of the slit

B

Everywhere after the slit

C

Near the corners of the obstacle

D

Before the slit

46

A wave moves on a slinky with frequency of 4 Hz and wavelength of 0.4 m. What is its speed?

A

1.6 m/s

B

10 m/s

C

0.1 m/s

D

4.4 m/s

47

The component of weight mg cosθ in a simple pendulum is cancelled by...

A

air resistance

B

the restoring force

C

the tension in the string

D

the inertial force

48

In SHM, where is the acceleration of the body zero?

A

At the extreme positions

B

At the mean position

C

Everywhere

D

Halfway to the extreme position

49

Which term is defined as the maximum displacement of a vibrating body from its mean position?

A

Wavelength

B

Frequency

C

Period

D

Amplitude

50

The change in direction of travel when a wave enters a second medium at an angle is called...?

A

Reflection

B

Diffraction

C

Refraction

D

Dispersion