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10th ICSE
IMPORTANT
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When light travels from a rarer to a denser medium, its speed .

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Important Questions on Refraction of Light at Plane Surfaces

EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 29
When light travels from a denser to a rarer medium, its speed _____.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 29
The refractive index of glass with respect to air is 32. The refractive index of air with respect to glass will be _____.
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 1
When a ray of light from air enters a denser medium, it:
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 2
A light ray does not bend at the boundary in passing from one medium to the other medium if the angle of incidence is:
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 3
The highest refractive index is of:
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 1
The speed of light in air is 3×108 m s-1. Calculate the speed of light in glass. The refractive index of glass is 1.5.
MEDIUM
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 2
The speed of light in diamond is 125,000 km s-1. What is its refractive index? (speed of light in air=3×108 m s-1).
EASY
10th ICSE
IMPORTANT
Selina Icse Concise Physics For Class 10>Chapter 4 - Refraction of Light at Plane Surfaces>EXERCISE-4(A)>Q 3
The refractive index of water with respect to air is 43. What is the refractive index of air with respect to water?