1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
An electromagnetic wave of frequency $$v=3.0$$ $$MHz$$ passes from vacuum into a dielectric medium with permittivity $$ \in = 4.0.$$ Then
A
wave length is halved and frequency remains unchanged
B
wave length is doubled and the frequency becomes half
C
wave length is doubled and the frequency remains unchanged
D
wave length and frequency both remain unchanged.
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A radiation of energy $$E$$ falls normally on a perfectly reflecting surface. The momentum transferred to the surface is
A
$$Ec$$
B
$$2E/c$$
C
$$E/c$$
D
$$E/{c^2}$$
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Electromagnetic waves are transverse in nature is evident by
A
polarization
B
interference
C
reflection
D
diffraction
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following are not electromagnetic waves?
A
cosmic rays
B
gamma rays
C
$$\beta $$-rays
D
$$X$$-rays
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