Physics - Mock Test 59

Question 581

If force is expressed in Newton and the distance in metre, then the work done is expressed in?

A) Joule B) Kg wt C) Kg wt m D) Watt

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Question 582

The point where total mass of a body is supposed to be concentrated is known as?

A) Dead centre B) Centre of mass C) Centre of gravity D) Centre of motion

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Question 583

Bar is a unit of which one of the following?

A) Force B) Energy C) Pressure D) Frequency

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Question 584

Which of the following terms is not used in the field of physics?

A) Latent heat B) Refractive index C) Nuclear fusion D) Stock value

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Consistent practice is key for mastering this concept.

Question 585

Which instrument is used to measure altitudes in aircraft's ?

A) Audiometer B) Ammeter C) Altimeter D) Anemometer

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Ammeter - Measures strength of electric current. Audiometer - Measures intensity of sound. Anemometer - Measures force and velocity of wind and directions.

Question 586

The SI unit of ___ is named after Andre Marie Ampere?

A) power B) potential difference C) electric current D) energy

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Question 587

Pick out the scalar quantity ?

A) force B) acceleration C) velocity D) pressure

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Question 588

Metals are good conductors of electricity because ?

A) the atoms are lightly packed B) they contain free electrons C) they have high melting point D) All of the above

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Question 589

Pa(Pascal) is the unit for ?

A) thrust B) pressure C) frequency D) conductivity

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Question 590

Light year is a unit of ?

A) time B) distance C) light D) intensity of light

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