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Q:

If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:

A) concave mirror B) convex mirror
C) plano-concave mirror D) plane mirror
 
Answer & Explanation Answer: B) convex mirror

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Q:

If an electron and a photon have the same wavelength, then they will have the same

A) velocity B) linear momentum
C) angular momentum D) energy
 
Answer & Explanation Answer: B) linear momentum

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Q:

Motion of a train is an example of ______.

A) Rotatory motion B) Spin motion
C) Projectile motion D) Translatory motion
 
Answer & Explanation Answer: D) Translatory motion

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Q:

Transformer is a device to convert

A) D.C. to A.C. B) Low voltage D.C. into high voltage D.C.
C) Low voltage A.C. into high voltage A.C. D) Mechanical energy into Electrical energy
 
Answer & Explanation Answer: A) D.C. to A.C.

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Q:

Bending of light rays in denser medium is termed as:

A) Reflection B) Dispersion
C) Refraction D) Deflection
 
Answer & Explanation Answer: C) Refraction

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Q:

What is the SI unit of heat energy?

A) Joule B) Newton
C) Calorie D) Kelvin
 
Answer & Explanation Answer: A) Joule

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Q:

For which of the following game, players must have the knowledge of Pascal's law?

A) Climbing B) Paragliding
C) Rafting D) Scuba diving
 
Answer & Explanation Answer: D) Scuba diving

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Q:

Which of the following is not true about X­rays?

A) have low penetrating power B) travel with the speed of light
C) Can be reflected or refracted D) can affect photographic plates
 
Answer & Explanation Answer: A) have low penetrating power

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