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 Physics Questions

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Q:

The light of distant stars is affected by

A) Interstellar Dust B) The Earth's Atmosphere
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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Q:

For an object, the state of rest is considered to be the state of ______ speed.

A) increasing B)
C) inverse D) zero
 
Answer & Explanation Answer: D) zero

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Q:

Negative acceleration is in the opposite direction of:

A) force B) distance
C) velocity D) momentum
 
Answer & Explanation Answer: C) velocity

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Q:

Which among the following is not a unit of distance?

A) Light year B) Longsec
C) Astronomical unit D) Parsec
 
Answer & Explanation Answer: B) Longsec

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Q:

What is the unit of the physical quantity "Stress"?

A) newton second B) steradian
C) pascal D) joule
 
Answer & Explanation Answer: C) pascal

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Q:

Which of the following is not an intrusive igneous body?

A) Stock B) Dike
C) Stope D) Batholith
 
Answer & Explanation Answer: C) Stope

Explanation:

These are called intrusive igneous rocks because the magma has intruded into pre-exiting rock layers. Types of intrusive igneous rocks are granite and basalt .

A batholith is the largest of the intrusive bodies.

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Q:

A kilowatt-hour is unit of

A) Power B) Electric charge
C) Energy D) Electric current
 
Answer & Explanation Answer: C) Energy

Explanation:

The kilowatt hour (kW⋅h) is a composite unit of energy equivalent to one kilowatt (1 kW) of power sustained for one hour.

One watt is equal to 1 J/s. One kilowatt hour is 3.6 megajoules.

 

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Q:

Increased wind speed is accompanied by a reduced air _____________.

A) humidity B) pressure
C) density D) aridity
 
Answer & Explanation Answer: B) pressure

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