Physics Questions

Q:

What is the effective resistance (in Ω) of two resistors 12 Ω and 24 Ω connected in parallel?

A) 36 B) 8
C) 16 D) 72
 
Answer & Explanation Answer: B) 8

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Q:

A high jumper runs for a while before taking a high jump so that the inertia of __ helps him take the long jump.

A) rest B) shape
C) motion D) direction
 
Answer & Explanation Answer: C) motion

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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:

Pressure is measured in terms of

A) Mass & Density B) Work done
C) Force and Area D) Force and Distance
 
Answer & Explanation Answer: C) Force and Area

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Q:

Air moves from the region where the air _____________________________.

A) humidity is high to the region where the humidity is low B) pressure is low to the region where the pressure is high
C) pressure is high to the region where the pressure is low   D) humidity is low to the region where the humidity is high  
 
Answer & Explanation Answer: C) pressure is high to the region where the pressure is low  

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Q:

Acceleration is

A) Inversely proportional to force B) Inversely proportional to mass
C) Directly proportional to mass D) Directly proportional to force
 
Answer & Explanation Answer: D) Directly proportional to force

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Q:

Name the type of mirror used in the headlight of vehicles

A) Plano-convex mirror B) Convex mirror
C) Plane mirror D) Concave mirror
 
Answer & Explanation Answer: D) Concave mirror

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Q:

What is the value of acceleration due to gravity on the surface of the earth?

A) 9.6 cm/s2 B) 9.8 m/s2
C) 10.8 m/s2 D) 9.8 cm/s2
 
Answer & Explanation Answer: B) 9.8 m/s2

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