Wavelength MCQs
Wavelength MCQs
Answer these Wavelength MCQs and see how sharp is your knowledge of Wavelength.
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1: Red has the ______ wavelength in the visible portion of the electromagnetic spectrum.
A. Longest
B. Shotest
C. Equal
2: Relative to shorter wavelengths of visible light, a long wavelength has ____ energy.
A. Less
B. More
C. Equal
3: The perceptual attribute of ________ best corresponds to that of the dominant wavelength of light.
A. Aturation
B. Brightness
C. Hue
D. Threshold
4: The speed of a wave can be found by multiplying its frequency by its _________.
A. Wavelength
B. Frequency
C. Violet light
5: What is wavelength?
A. The distance between two consecutive wave crests
B. The maximum displacement of a wave from its equilibrium position
C. The time taken for one complete wave cycle
D. The distance between two consecutive points that are in phase in a wave
6: What is the symbol used to represent wavelength in physics?
A. λ
B. ω
C. ν
D. f
7: Wavelength is usually measured in which unit?
A. Meters
B. Hertz
C. Seconds
D. Joules
8: Which type of waves have the property of wavelength?
A. Electromagnetic waves
B. Mechanical waves
C. Sound waves
D. Water waves
9: The wavelength of a wave is inversely proportional to its:
A. Frequency
B. Amplitude
C. Speed
D. Period
10: What is the relationship between wavelength (λ), frequency (f), and wave speed (v) in a wave?
A. λ = v / f
B. f = v / λ
C. v = f * λ
D. f = λ / v
11: Which color of visible light has the shortest wavelength?
A. Red
B. Green
C. Blue
D. Yellow
12: In the electromagnetic spectrum, which type of waves have the longest wavelengths?
A. X-rays
B. Gamma rays
C. Radio waves
D. Ultraviolet rays
13: What happens to the wavelength of a wave when it enters a medium with a higher speed of propagation?
A. It becomes shorter
B. It becomes longer
C. It remains the same
D. It depends on the wave's frequency
14: What is the approximate wavelength of a typical FM radio wave?
A. Centimeters
B. Meters
C. Kilometers
D. Millimeters
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Wavelength MCQs
