by DeepWebLabs
UP-BOARD-XII SERIES
Physics

Electromagnetic Waves

12 previous year questions.

Volume: 12 Ques
Yield: Medium

High-Yield Trend

12
2023

Chapter Questions
12 MCQs

01
PYQ 2023
medium
physics ID: up-board
Explain transverse nature of electromagnetic waves. Give a brief description of the uses of radio waves.
02
PYQ 2023
medium
physics ID: up-board
Equation of electric field of a plane electromagnetic wave is . Write the equation for the magnetic field of the wave.
03
PYQ 2023
medium
physics ID: up-board
Electric and magnetic field vectors of an EM wave are and respectively. Find the direction of propagation.
04
PYQ 2023
medium
physics ID: up-board
The amplitude of the magnetic field in an electromagnetic wave is T. If frequency of the wave is Hz, then the amplitude of the associated electric field is:
1
9 V/m
2
V/m
3
V/m
4
V/m
05
PYQ 2023
medium
physics ID: up-board
What are electromagnetic waves? Explain, with the help of a diagram, that these waves are transverse in nature.
06
PYQ 2023
medium
physics ID: up-board
A plane electromagnetic wave represented as , is propagated through a medium of refractive index:
1
1.5
2
2.0
3
2.4
4
4.0
07
PYQ 2023
medium
physics ID: up-board

Unit of is:

1
2
3
4

08
PYQ 2023
medium
physics ID: up-board
The electric field in an electromagnetic wave is given by . Find the energy contained in a cylinder of cross-section and length 50 cm along the x-axis.
09
PYQ 2023
medium
physics ID: up-board
Explain the formation of the depletion layer at the p-n junction diode. Draw the characteristic curve of a reverse-biased junction diode showing Avalanche breakdown.
10
PYQ 2023
medium
physics ID: up-board
Electromagnetic waves are:
1
Only longitudinal
2
Only transverse
3
Both longitudinal and transverse
4
Neither longitudinal nor transverse
11
PYQ 2023
medium
physics ID: up-board
Write any two main features of electromagnetic waves.
12
PYQ 2023
medium
physics ID: up-board
Electromagnetic waves are produced by
1
a static charge
2
a moving charge with constant velocity
3
an accelerating charge
4
chargeless particle

About Electromagnetic Waves - UP-BOARD-XII

Electromagnetic Waves is a vital chapter for UP-BOARD-XII aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Electromagnetic Waves PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Electromagnetic Waves carry the most weight. Then, tackle the questions iteratively to solidify your understanding.