1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following statement is false for the properties of electromagnetic waves ?
A
Both electric and magnetic field vectors attain the maxima and minima at the same place and same time.
B
The energy in electromagnetic wave is divided equally between electric and magnetic vectors.
C
Both electric and magnetic field vectors are parallel to each other and perpendicular to the direction of propagation of wave.
D
These waves do not require any material medium for propagation.
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The electric field part of an electromagnetic wave in a medium is represented by Ex = 0;

$${E_y} = 2.5{N \over C}\cos \left[ {\left( {2\pi \times {{10}^6}{{rad} \over m}} \right)t - \left( {\pi \times {{10}^{ - 2}}{{rad} \over s}} \right)x} \right];$$

Ez = 0.
A
moving along x direction with frequency 106 Hz and wavelength 100 m.
B
moving along x direction with frequency 106 Hz and wavelength 200 m.
C
moving along $$-$$x direction with frequency 106 Hz and wavelength 200 m.
D
moving along y direction with frequency $$2\pi \times {10^6}\,Hz$$ and wavelength 200 m.
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
The velocity of electromagnetic radiation in a medium of permittivity $$\varepsilon $$0 and permeability $$\mu $$0 is given by
A
$${1 \over {\sqrt {{\mu _0}{\varepsilon _0}} }}$$
B
$$\sqrt {{{{\mu _0}} \over {{\varepsilon _0}}}} $$
C
$$\sqrt {{{{\varepsilon _0}} \over {{\mu _0}}}} $$
D
$$\sqrt {{\mu _0}{\varepsilon _0}} $$
4
AIPMT 2007
MCQ (Single Correct Answer)
+4
-1
The electric and magnetic field of an electromagnetic wave are
A
in opposite phase and perpendicular to each other
B
in opposite phase and parallel to each other
C
in phase and perpendicular to each other
D
in phase and parallel to each other.
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12