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Electromagnetic Waves Quiz

Class XII
Physics
Electromagnetic Waves
15 questions
HARD

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Preview questions

1. What is the speed of electromagnetic waves in a vacuum?

3 x 10^8 m/s · 3 x 10^6 m/s · 3 x 10^5 m/s · 3 x 10^4 m/s

2. Which of the following electromagnetic waves has the longest wavelength?

Gamma rays · X-rays · Radio waves · Ultraviolet rays

3. Electromagnetic waves are produced by the acceleration of which type of charge?

Positive charge · Negative charge · Both positive and negative charges · Stationary charge

4. What is the relationship between frequency and wavelength in electromagnetic waves?

Directly proportional · Inversely proportional · Independent · Equal

5. Which of the following is not a characteristic of electromagnetic waves?

Can travel through a vacuum · Transverse nature · Require a medium · Carry energy