Electromagnetic Spectrum(Radio Waves, Microwaves, Infrared, Visible, Ultraviolet. X-rays. Gamma Rays) NEET Questions

Physics - Electromagnetic Waves

Electromagnetic Spectrum(Radio Waves, Microwaves, Infrared, Visible, Ultraviolet. X-rays. Gamma Rays) MCQ Questions


13.
Which of the following waves has the shortest wavelength?
A.
Microwaves
B.
Ultraviolet rays
C.
Radio waves
D.
Gamma rays
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ANSWER :
D. Gamma rays
14.
Gamma rays are produced by:
A.
Chemical reactions
B.
Radioactive decay
C.
Nuclear reactions
D.
Cosmic explosions
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ANSWER :
C. Nuclear reactions
15.
Which electromagnetic wave has the highest energy?

NEET - 2017

A.
Microwaves
B.
Infrared
C.
Visible light
D.
Gamma rays
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ANSWER :
D. Gamma rays
16.
Which electromagnetic wave is used in radar systems?
A.
X-rays
B.
Infrared waves
C.
Microwaves
D.
Radio waves
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ANSWER :
C. Microwaves
17.
The energy of an electromagnetic wave is directly proportional to its:
A.
Wavelength
B.
Frequency
C.
Amplitude
D.
Speed
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ANSWER :
B. Frequency
18.
Which electromagnetic wave is commonly used in remote controls?
A.
Microwaves
B.
Infrared waves
C.
Ultraviolet rays
D.
X-rays
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ANSWER :
B. Infrared waves