Wave Phenomena: Master the Fundamentals of Waves in Physics

Question 1

Which of the following is NOT a type of interference for waves?

Accepted Answer

Polarized

Answer

Constructive

Answer

Destructive

Answer

Diffractive

Question 2

Which of the following properties is NOT associated with light waves?

Accepted Answer

They have mass.

Answer

They are electromagnetic waves.

Answer

They travel at the speed of light in a vacuum.

Answer

They can be reflected and refracted.

Question 3

Among the following conditions for constructive interference, which one is incorrect?

Accepted Answer

Waves propagate in opposite directions.

Answer

Waves possess the same frequency.

Answer

Waves maintain a constant phase difference.

Answer

Waves have equal amplitudes.

Question 4

Which of the following best describes an application of sound waves?

Accepted Answer

Ultrasound imaging in medical diagnostics

Answer

Fibre optic communication using light waves

Answer

Laser technology utilizing coherent light beams

Answer

Microwave ovens employing electromagnetic radiation

Question 5

Standing waves are formed by the superposition of:

Accepted Answer

Two waves traveling in opposite directions.

Answer

Two waves traveling in the same direction.

Answer

Two waves with different frequencies.

Answer

Two waves with different amplitudes.

Question 6

According to the principle of superposition, when two waves interact, what happens to their amplitudes?

Accepted Answer

They are added together.

Answer

They are subtracted from each other.

Answer

They cancel each other out.

Answer

They remain unchanged.

Question 7

Which of these is NOT a defining attribute of diffraction?

Accepted Answer

It increases the wave's amplitude.

Answer

It occurs when a wave encounters an obstacle or opening.

Answer

It leads to a change in the wave's direction.

Answer

It results in the spreading out of the wave.

Question 8

Which material is commonly used for making lenses due to its suitable optical properties?

Accepted Answer

Glass

Answer

Metal

Answer

Rubber

Answer

Water

Question 9

What is the fundamental relationship between the angle at which light strikes a surface and the angle at which it is reflected?

Accepted Answer

They are equal.

Answer

They are complementary.

Answer

They are perpendicular.

Answer

They follow an inverse proportion.

Question 10

Which practical application in our daily lives exemplifies the phenomenon of interference?

Accepted Answer

Holography

Answer

Soundproofing

Answer

Optical fibers

Answer

Lasers

Question 11

What is the term used to describe the change in wave frequency due to the motion of its source?

Accepted Answer

Doppler effect

Answer

Reflection

Answer

Diffraction

Answer

Refraction

Question 12

Which of the following is a property of waves?

Accepted Answer

Wavelength

Answer

Density

Answer

Mass

Answer

Volume

Question 13

A wave has a frequency of 120 Hz and a wavelength of 2 meters. What is the speed of the wave?

Accepted Answer

240 m/s

Answer

60 m/s

Answer

300 m/s

Answer

480 m/s

Question 14

Two waves with the same frequency and amplitude interfere with each other. What is the resulting amplitude if the waves are in phase?

Accepted Answer

Twice the original amplitude

Answer

Original amplitude

Answer

Zero

Answer

Half the original amplitude

Question 15

Which of the following is an example of a non-mechanical wave?

Accepted Answer

Electromagnetic wave

Answer

Water wave

Answer

Seismic wave

Answer

Sound wave

Question 16

What is the approximate speed of sound in air at room temperature?

Accepted Answer

343 m/s

Answer

299,792,458 m/s

Answer

170 m/s

Answer

1,495,978,707 m/s

Question 17

The human eye can detect electromagnetic waves with wavelengths in the range:

Accepted Answer

400 nm - 700 nm

Answer

1 cm - 10 cm

Answer

100 nm - 200 nm

Answer

1 μm - 10 μm

Question 18

The principle of superposition for waves implies that:

Accepted Answer

The net displacement at a point is the algebraic sum of the displacements due to individual waves

Answer

Waves of different frequencies cannot interfere with each other

Answer

The amplitude of a wave is proportional to its frequency

Question 19

Which of the following is a characteristic of a progressive wave?

Accepted Answer

Constant phase difference between adjacent points

Answer

Fixed frequency

Answer

Nodes and antinodes

Answer

Fixed amplitude

Question 20

When two waves interfere constructively, what happens to the amplitude of the resulting wave?

Accepted Answer

It increases, becoming larger than the amplitude of either individual wave.

Answer

It decreases, becoming smaller than the amplitude of either individual wave.

Answer

It becomes zero, resulting in cancellation.

Answer

It remains the same as the amplitude of the individual waves.

Question 21

Which of these is NOT a characteristic of sound waves?

Accepted Answer

They are electromagnetic waves.

Answer

They are longitudinal waves.

Answer

They can be reflected and refracted.

Answer

They require a medium to travel.

Question 22

What happens when two waves traveling in opposite directions meet?

Accepted Answer

They interfere with each other, creating a resultant wave.

Answer

They pass through each other without any interaction.

Answer

They cancel each other out.

Question 23

Which factor primarily affects the amount of diffraction a wave undergoes when passing through a narrow opening?

Accepted Answer

The size of the opening relative to the wavelength of the wave.

Answer

The amplitude of the wave.

Answer

The frequency of the wave.

Question 24

What is the Doppler effect?

Accepted Answer

An apparent change in the frequency of a wave due to the relative motion between the source and the observer.

Answer

The bending of waves around obstacles.

Question 25

A tuning fork is struck and held near a vibrating string on a musical instrument. The string begins to vibrate. What phenomenon is responsible for this?

Accepted Answer

Resonance

Answer

Refraction

Answer

Interference

Answer

Diffraction