HARD
10th ICSE
IMPORTANT
Earn 100

What is a periscope? Explain the working of a periscope that uses two right-angled prisms.

Important Questions on Refraction at Plane Surfaces

MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 23
Glass is a transparent material but glass powder is opaque. Explain.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 2
What is the speed of light in vacuum? Name the only medium in which speed of light is equal to that of vacuum.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 3
Arrange the following mediums in decreasing order of the speed of light through them: Diamond, water, glass and air.
MEDIUM
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 4
What are optically rarer and denser mediums? Give an example when glass behaves as a i rarer, ii denser medium.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 5
What is absolute refractive index of a transparent medium? Explain.
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 6
Speed of light in a transparent medium is 2.4×108 m/s. What is the absolute refractive index of the medium?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 7
Absolute refractive index of diamond is 2.4. What is the speed of light in diamond?
EASY
10th ICSE
IMPORTANT
S CHAND'S ICSE PHYSICS BOOK 2>Chapter 4 - Refraction at Plane Surfaces>QUESTIONS>Q 8
Speed of light in water and in glass is 2.24×108 ms-1 and 2.0×108 ms-1 respectively. What is the refractive index of water with respect to glass?