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Q:

What is the measure of temperature considered as normal in human body?

A) 95 deg F B) 97 deg F
C) 98.6 deg F D) 96.8 deg F
 
Answer & Explanation Answer: C) 98.6 deg F

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Q:

A lens has a power +2.0 D. The type of lens and its focal length will be

A) Concave, -0.5 m B) Convex, 0.5 m
C) Concave, 0.5 m D) Convex, -0.5 m
 
Answer & Explanation Answer: B) Convex, 0.5 m

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Q:

Energy possessed by an object by its position or configuration is called

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

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Q:

Light can travel ___ km in a year.

A) 5 billion B) 10 billion
C) 5 trillion D) 10 trillion
 
Answer & Explanation Answer: D) 10 trillion

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Q:

Which of the following coloured light has the lowest frequency?

A) Green B) Blue
C) Red D) Violet
 
Answer & Explanation Answer: C) Red

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Q:

Find the acceleration (in m/s2) produced in a body of mass 4 kg when a force of 24 N is applied on it.

A) 96 B) 6
C) 12 D) 48
 
Answer & Explanation Answer: B) 6

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Q:

What is the upward force exerted by water called?

A) Density B) Buoyant force
C) Gravitation D) Friction
 
Answer & Explanation Answer: B) Buoyant force

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Q:

Kinetic energy is equal to

A) 1/2 mv2 B) mgh
C) mv D) Ma
 
Answer & Explanation Answer: A) 1/2 mv2

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