Which of the following is an example of a longitudinal wave?
(a) Sound wave
(b) Light wave
(c) Water wave
(d) Radio wave
Answer: (a) Sound wave
The distance between two consecutive points in phase in a wave is called:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (a) Wavelength
The maximum displacement of a particle from its equilibrium position in a wave is called:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (b) Amplitude
The number of complete oscillations or cycles of a wave that occur in one second is called:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (c) Frequency
The time taken for one complete oscillation or cycle of a wave is called:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (d) Period
Which of the following properties of a wave determines its pitch in the case of a sound wave?
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (c) Frequency
The speed of a wave is determined by the:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Medium through which it travels
Answer: (d) Medium through which it travels
Which of the following wave properties determines its loudness in the case of a sound wave?
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (b) Amplitude
In which direction do transverse waves vibrate?
(a) Parallel to the direction of wave propagation
(b) Perpendicular to the direction of wave propagation
(c) Diagonal to the direction of wave propagation
(d) In circular motion
Answer: (b) Perpendicular to the direction of wave propagation
The bending of a wave as it passes from one medium to another with a different speed is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (b) Refraction
The phenomenon in which two waves combine to form a wave with a larger amplitude is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (d) Interference
The change in frequency of a wave due to the relative motion between the source and the observer is called:
(a) Reflection
(b) Refraction
(c) Doppler effect
(d) Interference
Answer: (c) Doppler effect
The spreading out of a wave as it passes through an opening or around an obstacle is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (c) Diffraction
The bouncing back of a wave when it encounters a surface or boundary is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (a) Reflection
Which of the following statements is true about a standing wave?
(a) It does not move from one place to another
(b) It does not have nodes and antinodes
(c) It is formed by the superposition of two waves traveling in opposite directions
(d) It has a constant amplitude along its entire length
Answer: (c) It is formed by the superposition of two waves traveling in opposite directions
The distance between two consecutive nodes or two consecutive antinodes in a standing wave is equal to:
(a) Half the wavelength of the wave
(b) The wavelength of the wave
(c) Twice the wavelength of the wave
(d) Four times the wavelength of the wave
Answer: (a) Half the wavelength of the wave
The point of maximum displacement in a standing wave is called a:
(a) Node
(b) Antinode
(c) Crest
(d) Trough
Answer: (b) Antinode
The point of zero displacement in a standing wave is called a:
(a) Node
(b) Antinode
(c) Crest
(d) Trough
Answer: (a) Node
The phenomenon in which the natural frequency of an object is enhanced by the influence of a nearby vibrating object is called:
(a) Resonance
(b) Refraction
(c) Diffraction
(d) Reflection
Answer: (a) Resonance
The unit of frequency is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (a) Hertz
The unit of wavelength is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (b) Meter
The unit of amplitude is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (d) Newton
The unit of wave speed is:
(a) Hertz
(b) Meter
(c) Second
(d) Meter per second
Answer: (d) Meter per second
Which of the following waves requires a medium to propagate?
(a) Electromagnetic wave
(b) Sound wave
(c) Light wave
(d) Radio wave
Answer: (b) Sound wave
The phenomenon of beats occurs when two waves of slightly different frequencies:
(a) Cancel each other out
(b) Reinforce each other
(c) Interfere constructively
(d) Interfere destructively
Answer: (c) Interfere constructively
The time taken for a wave to complete one full cycle is equal to its:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (d) Period
The principle that states that two waves passing through the same point at the same time will add up their amplitudes is known as:
(a) Superposition principle
(b) Interference principle
(c) Reflection principle
(d) Diffraction principle
Answer: (a) Superposition principle
Which of the following statements is true about the speed of a wave in a medium?
(a) It depends on the frequency of the wave
(b) It depends on the amplitude of the wave
(c) It depends on the wavelength of the wave
(d) It depends on the medium through which the wave travels
Answer: (d) It depends on the medium through which the wave travels
The process by which sound waves are reflected back to their source is called:
(a) Refraction
(b) Diffraction
(c) Absorption
(d) Echo
Answer: (d) Echo
The ability of a medium to transmit energy through the vibration of its particles is known as:
(a) Reflection
(b) Refraction
(c) Absorption
(d) Transmission
Answer: (d) Transmission
Which of the following is an example of a mechanical wave?
(a) X-ray wave
(b) Gamma-ray wave
(c) Radio wave
(d) Water wave
Answer: (d) Water wave
The phenomenon in which a wave bounces off a surface and changes direction is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (a) Reflection
The process by which a wave changes direction as it passes from one medium to another with a different density is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (b) Refraction
The bending of a wave around an obstacle or through an opening is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (c) Diffraction
The interference of two waves that are in phase and have the same frequency and amplitude results in:
(a) Constructive interference
(b) Destructive interference
(c) No interference
(d) Random interference
Answer: (a) Constructive interference
The interference of two waves that are out of phase and have the same frequency and amplitude results in:
(a) Constructive interference
(b) Destructive interference
(c) No interference
(d) Random interference
Answer: (b) Destructive interference
The superposition of two waves with slightly different frequencies results in the formation of:
(a) Standing waves
(b) Transverse waves
(c) Longitudinal waves
(d) Beats
Answer: (d) Beats
The phenomenon of resonance is most likely to occur when the frequency of a forcing vibration matches the:
(a) Natural frequency of the vibrating object
(b) Wavelength of the vibrating object
(c) Amplitude of the vibrating object
(d) Period of the vibrating object
Answer: (a) Natural frequency of the vibrating object
The time it takes for a wave to travel one wavelength is equal to its:
(a) Frequency
(b) Amplitude
(c) Period
(d) Wave speed
Answer: (c) Period
The property of a wave that determines the brightness or intensity of light is called its:
(a) Wavelength
(b) Amplitude
(c) Frequency
(d) Period
Answer: (b) Amplitude
The phenomenon in which a wave bends around an obstacle or spreads out after passing through an opening is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (c) Diffraction
The distance between two consecutive points in phase in a wave is equal to:
(a) Half the wavelength
(b) The wavelength
(c) Twice the wavelength
(d) Four times the wavelength
Answer: (b) The wavelength
The time taken for one complete oscillation or cycle of a wave is equal to:
(a) Half the wavelength
(b) The wavelength
(c) Twice the wavelength
(d) Four times the wavelength
Answer: (d) Four times the wavelength
Which of the following statements is true about a standing wave?
(a) It is formed by the superposition of two waves traveling in the same direction
(b) It does not have nodes or antinodes
(c) It moves from one place to another
(d) It has a constant frequency along its entire length
Answer: (a) It is formed by the superposition of two waves traveling in the same direction
The distance between two consecutive nodes or two consecutive antinodes in a standing wave is equal to:
(a) The wavelength
(b) Twice the wavelength
(c) Three times the wavelength
(d) Four times the wavelength
Answer: (b) Twice the wavelength
The point of zero displacement in a standing wave is called a:
(a) Node
(b) Antinode
(c) Crest
(d) Trough
Answer: (a) Node
The point of maximum displacement in a standing wave is called a:
(a) Node
(b) Antinode
(c) Crest
(d) Trough
Answer: (b) Antinode
The phenomenon in which the amplitude of a vibrating object increases when it is driven at its natural frequency is called:
(a) Resonance
(b) Refraction
(c) Diffraction
(d) Reflection
Answer: (a) Resonance
The unit of frequency is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (a) Hertz
The unit of wavelength is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (b) Meter
The unit of amplitude is:
(a) Hertz
(b) Meter
(c) Second
(d) Newton
Answer: (d) Newton
The unit of wave speed is:
(a) Hertz
(b) Meter
(c) Second
(d) Meter per second
Answer: (d) Meter per second
The process by which sound waves are reflected back to their source is called:
(a) Refraction
(b) Diffraction
(c) Absorption
(d) Echo
Answer: (d) Echo
The ability of a medium to transmit energy through the vibration of its particles is known as:
(a) Reflection
(b) Refraction
(c) Absorption
(d) Transmission
Answer: (d) Transmission
The process by which a wave changes direction as it passes from one medium to another with a different density is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (b) Refraction
The bending of a wave around an obstacle or through an opening is called:
(a) Reflection
(b) Refraction
(c) Diffraction
(d) Interference
Answer: (c) Diffraction
The interference of two waves that are in phase and have the same frequency and amplitude results in:
(a) Constructive interference
(b) Destructive interference
(c) No interference
(d) Random interference
Answer: (a) Constructive interference
The interference of two waves that are out of phase and have the same frequency and amplitude results in:
(a) Constructive interference
(b) Destructive interference
(c) No interference
(d) Random interference
Answer: (b) Destructive interference
The superposition of two waves with slightly different frequencies results in the formation of:
(a) Standing waves
(b) Transverse waves
(c) Longitudinal waves
(d) Beats
Answer: (d) Beats
The phenomenon of resonance is most likely to occur when the frequency of a forcing vibration matches the:
(a) Natural frequency of the vibrating object
(b) Wavelength of the vibrating object
(c) Amplitude of the vibrating object
(d) Period of the vibrating object
Answer: (a) Natural frequency of the vibrating object
The time it takes for a wave to travel one wavelength is equal to its:
(a) Frequency
(b) Amplitude
(c) Period
(d) Wave speed
Answer: (c) Period
The property of a wave that determines the brightness or intensity of light is called its:
