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SAT Physics Practice Test 9

# Refraction at Plane Surfaces Quiz Questions and Answers PDF - 9

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The Quiz: The ratio (speed of light in air or vacuum/speed of light in a medium) is equal to; "Refraction at Plane Surfaces" App Download (Free) with answers: Reflective index; Regular reflection; Refractive index; Regular refraction; for questions to ask in an interview. Learn SAT Physics Light Questions and Answers, Apple eBook to download free sample to learn online schools courses.

## Refraction at Plane Surfaces Questions and Answers : Quiz 9

MCQ 41:

The ratio (speed of light in air or vacuum/speed of light in a medium) is equal to

1. regular reflection
2. reflective index
3. refractive index
4. regular refraction
MCQ 42:

From the following, the very poor conductor of heat is

1. water
2. iron
3. copper
4. air
MCQ 43:

A mass of weight W is supported by 2 strings. If the tension in each string is 10 N, the value of W is

1. 17.3 N
2. 12 N
3. 15 N
4. 19.6 N
MCQ 44:

The incident ray, refracted ray and the normal ray all lie on the same plane, as per

1. first law of refraction
2. first law of reflection
3. second law of reflection
4. second law of refraction
MCQ 45:

Friction and resistance cause energy loss in the form of

1. thermal energy
2. kinetic energy
3. light energy
4. electrical energy

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