Unit V: Electromagnetic waves - Online Test
Q1. The dimension of 1/µ0ε0
is
Answer : Option B
Explaination / Solution:
Q2. If the amplitude of the
magnetic field is 3 × 10−6 T, then amplitude of the electric field
for a electromagnetic waves is
Answer : Option D
Explaination / Solution:
Q3. Which of the following
electromagnetic radiation is used for viewing objects through fog
Answer : Option D
Explaination / Solution:
No Explaination.
Q4. Which of the following are false for electromagnetic waves
Answer : Option C
Explaination / Solution:
No Explaination.
Q5. Consider an oscillator which has a charged particle and oscillates about its mean position with a frequency of 300 MHz. The wavelength of electromagnetic waves produced by this oscillator is
Answer : Option A
Explaination / Solution:
Q6. The electric and the magnetic field, associated with an electromagnetic wave, propagating along X axis can be represented by
Answer : Option B
Explaination / Solution:
No Explaination.
Q7. In an electromagnetic wave
in free space the rms value of the electric field is 3 V m−1. The
peak value of the magnetic field is
Answer : Option A
Explaination / Solution:
Q8. During the propagation of electromagnetic waves in a medium:
Answer : Option C
Explaination / Solution:
No Explaination.
Q9. If the magnetic monopole exists, then which of the Maxwell’s equation to be modified?.
Answer : Option B
Explaination / Solution:
No Explaination.
Q10. A radiation of energy E falls normally on a perfectly reflecting surface. The momentum transferred to the surface is
Answer : Option B
Explaination / Solution:
