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Waves MCQ 1

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Questions and Answers

What is the result when coherent waves with different frequencies meet crest to trough?

Constructive interference
Diffraction
Resonance
Destructive interference (correct)

What is the factor that affects the loudness of a sound wave?

Speed of the wave
Frequency of the wave
Amplitude of the wave (correct)
Wavelength of the wave

What is the phenomenon that occurs when the frequency of a wave appears to change due to the relative motion between the wave source and observer?

Refraction
Diffraction
Interference
Doppler effect (correct)

What is the result of doubling the sound intensity?

An increase of 3 dB in sound intensity level (B) Signup and view all the answers

What is the direction of vibration in relation to the propagation of a transverse wave?

Perpendicular to the propagation of the wave (B) Signup and view all the answers

What type of wave requires a medium to travel through?

Mechanical waves (B) Signup and view all the answers

What is the unit of measurement for the wavelength of a wave?

Metre (m) (C) Signup and view all the answers

What is the term for the highest point on a transverse wave?

Crest (D) Signup and view all the answers

What is the formula to calculate the velocity of a wave?

c = λ × f (D) Signup and view all the answers

Which wave phenomenon involves a wave bouncing off an object in its path?

Reflection (D) Signup and view all the answers