1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The correct arrangement in increasing order of wavelength of X-rays, UV rays, microwave is

A
microwave, X-rays, UV rays
B
UV rays, X-rays, microwave
C
X-rays, UV rays, microwave
D
microwave, UV rays, X-rays
2
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following waves are used to treatment of muscles ache?

A
Ultraviolet
B
Infrared
C
Microwave
D
X-rays
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which of the following has/have zero average value in a plane electromagnetic wave?

A
Electric field
B
Magnetic field
C
Both (a) and (c)
D
Magnetic energy
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