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Class 12 Physics: Electromagnetic Waves — Chapter Test 1

Class 12 • Physics • Electromagnetic Waves • Chapter Test

MediumFREE

15

Questions

20 min

Duration

15

Marks (1 each)

No

Negative marking

Original practice questions with full solutions by ExamPortal.

Instructions

  • • Read each question carefully and pick the correct answer.
  • • You can mark questions for review and come back to them.
  • • Answers are saved automatically.
  • • The test is submitted automatically when time runs out.

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SYLLABUS & QUESTION BLUEPRINT

Sample Practice Questions

Preview 5 sample questions from this 15-question test. Test your knowledge below or take the full exam in timed CBT mode.

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Question 1 of 15
The speed of electromagnetic waves in vacuum is:
A
μ0ε0\sqrt{\mu_0\varepsilon_0}
B
1μ0ε0\frac{1}{\sqrt{\mu_0\varepsilon_0}}
C
μ0ε0\mu_0\varepsilon_0
D
μ0ε0\frac{\mu_0}{\varepsilon_0}
View Correct Answer & Step-by-Step Solution
Correct Option:(B)1μ0ε0\frac{1}{\sqrt{\mu_0\varepsilon_0}}

Detailed explanation is available inside the official test attempt review.

Question 2 of 15
Electromagnetic waves are:
A
longitudinal
B
transverse
C
mechanical
D
sound waves
View Correct Answer & Step-by-Step Solution
Correct Option:(B)transverse

Detailed explanation is available inside the official test attempt review.

Question 3 of 15
The concept of displacement current was introduced by:
A
Faraday
B
Maxwell
C
Ampère
D
Hertz
View Correct Answer & Step-by-Step Solution
Correct Option:(B)Maxwell

Detailed explanation is available inside the official test attempt review.

Question 4 of 15
Which electromagnetic radiation has the shortest wavelength?
A
X-rays
B
gamma rays
C
ultraviolet
D
microwaves
View Correct Answer & Step-by-Step Solution
Correct Option:(B)gamma rays

Detailed explanation is available inside the official test attempt review.

Question 5 of 15
RADAR systems use:
A
gamma rays
B
microwaves
C
infrared
D
X-rays
View Correct Answer & Step-by-Step Solution
Correct Option:(B)microwaves

Detailed explanation is available inside the official test attempt review.

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Frequently asked questions

How many questions are there in Class 12 Physics: Electromagnetic Waves — Chapter Test 1?

There are 15 questions to answer in 20 min. Each correct answer gives 1 mark, for a total of 15 marks.

Is there negative marking?

No. Wrong answers do not lose marks, so attempt every question.

Is this mock test free?

Yes, it is completely free. Just log in with your email to start.

What does this test cover?

It covers the chapter "Electromagnetic Waves" of Class 12 Physics. All questions are original, with a full solution for each.

Will I see my result and the solutions?

Yes. Right after you submit you get your score, accuracy, rank and percentile, and you can review every question with the correct answer and a step-by-step explanation.

Can I take this test again?

Yes, you can retake it as many times as you like and compare your scores.