Nature of Electromagnetic Radiation NEET Questions

Physical Chemistry - Atomic Structure

Nature of Electromagnetic Radiation MCQ Questions


1.
Which of the following has the shortest wavelength?
A.
Radio waves
B.
Infrared radiation
C.
X-rays
D.
Microwaves
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ANSWER :
C. X-rays
2.

The speed of all electromagnetic waves in a vacuum is:

A.

3 × 108 m/s

B.

3 × 106 m/s

C.

3 × 1010 m/s

D.

3 × 105 m/s

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ANSWER :

A. 3 × 108 m/s

3.
Which type of electromagnetic radiation is used in night-vision devices?
A.
Ultraviolet
B.
Infrared
C.
Microwaves
D.
X-rays
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ANSWER :
B. Infrared
4.
Electromagnetic waves are produced by:
A.
Static charges
B.
Accelerated charges
C.
Neutral particles
D.
Magnetic materials
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ANSWER :
B. Accelerated charges
5.
The energy of a photon is directly proportional to its:

NEET - 2017

A.
Wavelength
B.
Frequency
C.
Amplitude
D.
Speed
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ANSWER :
B. Frequency
6.
Which of the following electromagnetic waves has the longest wavelength?
A.
Gamma rays
B.
X-rays
C.
Ultraviolet rays
D.
Radio waves
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ANSWER :
D. Radio waves