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# Refraction in Physics MCQ Questions and Answers PDF - 24

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## Refraction in Physics MCQ with Answers : Quiz 24

MCQ 116: Equation to calculate the refractive index is

A) n = c/v
B) rn = l/m
C) i = v/l
D) n = v/m

MCQ 117: Weight is a/an

A) force
B) base quantity
C) scalar quantity
D) SI unit

MCQ 118: Air trapped inside a single-piston-cylinder exerts a pressure of 760 mmHg. If its volume is increased by 20% at a constant temperature, the pressure exerted would be equal to

A) 533 mmHg
B) 544 mmHg
C) 584 mmHg
D) 633 mmHg

MCQ 119: During the process of melting, thermal energy that is absorbed during the process of melting is called

A) specific latent heat
B) latent heat of fusion
C) latent heat of fission
D) latent heat capacity

MCQ 120: Newton is the unit of

A) Weight
B) Mass
C) Speed
D) Time

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