Physics Questions

Q:

The complete form of 'IC' in electronics is

A) Internal circuit B) Independent circuit
C) Integrated circuit D) Inbuilt circuit
 
Answer & Explanation Answer: C) Integrated circuit

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Q:

Pressure cooker cooks rice faster because

A) it always lets the steam escape B) high pressure raises the boiling point of water
C) high pressure crushes the hard covering of rice grains D) it does not let the heat energy escape easily
 
Answer & Explanation Answer: B) high pressure raises the boiling point of water

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Q:

The value of g on the moon is 1/6th of the value of g on the earth. If a man can jump 1.5 m high on the earth, on the moon, be can jump up to a height of

A) 4.5 m B) 9 m
C) 6 m D) 7.5 m
 
Answer & Explanation Answer: B) 9 m

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Q:

If two coulomb of charge flows through any cross-section of a conductor in one second, what will be the current flowing through it?

A) 1 Ampere B) 1/2 Ampere
C) 1/4 Ampere D) 2 Amperes
 
Answer & Explanation Answer: D) 2 Amperes

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Q:

A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is

A) 60 deg B) 0 deg
C) 90 deg D) 30 deg
 
Answer & Explanation Answer: A) 60 deg

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Q:

The energy stored in a dry cell is in the form of

A) Potential energy B) Chemical energy
C) Kinetic energy D) Nuclear energy
 
Answer & Explanation Answer: B) Chemical energy

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Q:

Nautical miles to km formula

Answer

km ÷ 1.852 = nautical miles


Hence, 1 nmi = 1.852 km.

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Q:

___ is a unit of length, roughly the distance from Earth to the Sun.

A) Light years B) Astronomical unit
C) Kelvin D) Joule
 
Answer & Explanation Answer: B) Astronomical unit

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