Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
An EM wave is propagating in a medium with a velocity $$\overrightarrow v = v\widehat i$$. The instantaneous oscillating electric field of this em wave is along +y axis. Then the direction of oscillating magnetic field of the em wave will be along
A
z direction
B
+z direction
C
–y direction
D
–x direction
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
In an electromagnetic wave in free space that root mean square value of the electric field is Erms = 6 V m$$-$$1. The peak value of the magnetic field is
A
2.83 $$ \times $$ 10$$-$$8 T
B
0.70 $$ \times $$ 10$$-$$8 T
C
4.23 $$ \times $$ 10$$-$$8 T
D
1.41 $$ \times $$ 10$$-$$8 T
3
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of the following options which one can be used to produce a propagating electromagnetic wave ?
A
A chargeless particle
B
An accelerating charge
C
A charge moving at constant velocity
D
A stationary charge
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ?
A
Ultraviolet rays
B
$$\gamma - rays$$
C
X-rays
D
Infra-red rays
NEET Subjects