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

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Voyager spacecraft

  2. Casis spacecraft

  3. Messenger spacecraft

  4. Pathfinder spacecraft

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Correct Option: A

Sudden fall of a barometer reading indicates

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Storm

  2. Dry weather

  3. Fine weather

  4. Cold weather

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Correct Option: A

In a microwave oven the device used for generating microwaves is

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Stirrer fan

  2. Metal wall

  3. Magnetron

  4. Cyclotron

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Correct Option: C

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

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. The sun

  2. Electric arcs of mercury

  3. Discharges in hydrogen

  4. All of these

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Correct Option: D

The output of a given windmill

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  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

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Correct Option: A

Example of Invention in field of communication is _____________.

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  1. Telephone

  2. Fax

  3. Internet

  4. All of these

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

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

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Banking

  2. Defence

  3. Entertainment

  4. Agriculture

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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 ?

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. CT Scan

  2. X ray

  3. ECG

  4. All of above

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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 ?

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Thresher

  2. Power plant

  3. CT Scan

  4. E learning

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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?

physics scientists inventions and inventors in science indian scientist: biography and achievements scientist and their achievements

  1. Electric and magnetic phenomena

  2. Electromagnetism and optics

  3. Electro-weak forces

  4. Terrestrial and celestial

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Correct Option: A
Explanation:

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