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1 Physics MCQs

A transformer works on the principle of what?

  • Self-induction
  • Mutual induction
  • Generator
  • Inverter
0 Comments
Correct Answer: B. Mutual induction

Explanation:

The correct answer is Mutual induction. A transformer is an electrical device used ... Read More Details

2 Physics MCQs

What does a pluviometer measure?

  • Wind
  • Strength of Plywood
  • Rainfall
  • None of these
0 Comments
Correct Answer: C. Rainfall

Explanation:

The correct answer is Rainfall. A pluviometer, also known as a rain gauge, ... Read More Details

3 Biology Mcqs

Atephobia is the fear of what?

  • Imperfection
  • Heights
  • Attitude
  • None of these
0 Comments
Correct Answer: A. Imperfection

Explanation:

The correct answer is Imperfection. Atephobia is a specific phobia characterized by an ... Read More Details

4 Biology Mcqs

Male birds are ________ colorful than female birds.

  • Less
  • More
  • Equal
  • None of these
0 Comments
Correct Answer: B. More

Explanation:

The correct answer is More. In many bird species, male birds are more ... Read More Details

5 Physics MCQs

Who was the scientist that first transmitted electromagnetic waves to distant places?

  • James Clerk Maxwell
  • Heinrich Hertz
  • Thomas Alva Edison
  • John Logie Baird
0 Comments
Correct Answer: B. Heinrich Hertz

Explanation:

The correct answer is Heinrich Hertz. Maxwell’s equations, formulated by James Clerk Maxwell, ... Read More Details

6 Physics MCQs

What is the period of revolution of a geostationary satellite?

  • 365 days
  • 30 days
  • 24 hours
  • Changing continuously
0 Comments
Correct Answer: C. 24 hours

Explanation:

The correct answer is 24 hours. A geostationary satellite is a type of ... Read More Details

7 Physics MCQs

What happens to the time period of a pendulum when it is taken to the Moon?

  • Remain the same
  • Decrease
  • Become zero
  • Increase
0 Comments
Correct Answer: D. Increase

Explanation:

The correct answer is Increase. The time period of a simple pendulum depends ... Read More Details

8 Physics MCQs

Which type of reaction produces the most harmful radiation?

  • Fusion reaction
  • Fission reaction
  • Chemical reaction
  • Photo-chemical reaction
0 Comments
Correct Answer: B. Fission reaction

Explanation:

The correct answer is Fission reaction. Nuclear fission is a process in which ... Read More Details

9 Physics MCQs

The atmospheric air is held to the Earth by what?

  • Gravity
  • Winds
  • Clouds
  • Rotation of the Earth
0 Comments
Correct Answer: A. Gravity

Explanation:

The correct answer is Gravity. The Earth is surrounded by a layer of ... Read More Details

10 Physics MCQs

Lambert’s law is related to which of the following?

  • Reflection
  • Refraction
  • Interference
  • Illumination
0 Comments
Correct Answer: D. Illumination

Explanation:

The correct answer is Illumination. Lambert’s law, also known as the Lambert cosine ... Read More Details