Nature of Electromagnetic Radiation NEET Questions

Physical Chemistry - Atomic Structure

Nature of Electromagnetic Radiation MCQ Questions


7.
The relation between frequency (ν) and wavelength (λ) is:
A.
c = νλ
B.
c = ν/λ
C.
ν = cλ
D.
λ = c/ν
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ANSWER :
A. c = νλ
8.

The energy of an electromagnetic wave is given by:

A.

E = hν

B.

E = mc2

C.

E = 1/2 mv2

D.

E = kT

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ANSWER :

A. E = hν

9.
Which of the following electromagnetic radiations has the lowest frequency?
A.
Gamma rays
B.
Ultraviolet
C.
Radio waves
D.
X-rays
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ANSWER :
C. Radio waves
10.
What is the SI unit of the speed of light?
A.
m/s
B.
km/h
C.
cm/s
D.
Hz
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ANSWER :
A. m/s
11.
Which of the following has the highest penetration power?
A.
X-rays
B.
Gamma rays
C.
Microwaves
D.
Visible light
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ANSWER :
B. Gamma rays
12.
Which among the following electromagnetic waves has the highest energy?

NEET - 2019

A.
Radio waves
B.
Microwaves
C.
Ultraviolet rays
D.
Gamma rays
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ANSWER :
D. Gamma rays