Tag: physics

Questions Related to physics

Astronomers have discovered a bizarre, hexagon-shaped feature in the clouds of Saturn near the planet's north pole. The feature was first seen in images sent by the

  1. Voyager spacecraft

  2. Casis spacecraft

  3. Messenger spacecraft

  4. Pathfinder spacecraft


Correct Option: A

Sudden fall of a barometer reading indicates

  1. Storm

  2. Dry weather

  3. Fine weather

  4. Cold weather


Correct Option: A

In a microwave oven the device used for generating microwaves is

  1. Stirrer fan

  2. Metal wall

  3. Magnetron

  4. Cyclotron


Correct Option: C

Which of the following is/are the source/s of ultraviolet radiations?

  1. The sun

  2. Electric arcs of mercury

  3. Discharges in hydrogen

  4. All of these


Correct Option: D

The output of a given windmill

  1. Increases with an increase in wind velocity

  2. Decreases with an increase in wind velocity

  3. Is independent of wind velocity

  4. Cannot be determined


Correct Option: A

Example of Invention in field of communication is _____________.

  1. Telephone

  2. Fax

  3. Internet

  4. All of these


Correct Option: D
Explanation:
Telephone, Fax and Internet are communication related Invention.

CD, DVD , Television are invention of science related to which field ?

  1. Banking

  2. Defence

  3. Entertainment

  4. Agriculture


Correct Option: C
Explanation:

CD, DVD , Television are invention of science related to Entertainment field. 

Which of the following is used in field of medical ?

  1. CT Scan

  2. X ray

  3. ECG

  4. All of above


Correct Option: D
Explanation:
CT Scan, X ray, ECG are used in field of medical.

The invention which has eased our life related to field of agriculture is ?

  1. Thresher

  2. Power plant

  3. CT Scan

  4. E learning


Correct Option: A
Explanation:

The invention which has eased our life related to field of agriculture is Thresher.

Oersted and Faraday unified which of the following achievements?

  1. Electric and magnetic phenomena

  2. Electromagnetism and optics

  3. Electro-weak forces

  4. Terrestrial and celestial


Correct Option: A
Explanation:

Electric and magnetic was explained by Oersted and Faraday in 1820.