EASY
10th CBSE
IMPORTANT
Earn 100

What is the magnitude of speed of light in vacuum?

Important Questions on Light Reflection and Refraction

MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
Light enters from air into diamond having a refractive index of 2.42. Calculate the speed of light in diamond. Speed of light is 3 ×108 m s-1.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
Describe an activity to demonstrate that apparent depth of a coin at the bottom of a bucket filled with water is less than the real depth of coin in water.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
A convex lens has a focal length of 20 cm. At what distance from the lens should an object be placed so that image is formed at 40 cm on the other side of the lens? Also, state the nature of the image formed.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
Distinguish between a converging lens and a diverging lens.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
Find the nature of mirror and state two characteristics of the image formed when magnification produced is (+6).
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
What should be the position of an object, when a concave mirror to be used as a shaving mirror.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
What should be the position of object, when a concave mirrors is to be used in torches to produce parallel beam of light.
MEDIUM
10th CBSE
IMPORTANT
SCIENCE PHYSICS>Chapter 1 - Light Reflection and Refraction>EXERCISES>Q 2
A man standing in front of a mirror finds his image having a very large hand and legs of normal size. What type of mirrors are used in designing of such a mirror?