EASY
10th CBSE
IMPORTANT
Earn 100

Consider a hollow aluminium sphere of diameter 50 cm with shiny outer surface. If the outer surface of this sphere is to be used as a mirror, what will be the focal length of this mirror? Also state whether the spherical mirror produced will converge or diverge light rays.

Important Questions on Light - Reflection and Refraction

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 18
How can you identify the three types of mirrors without touching?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 19

Name the mirror that

Can give real as well as virtual image of an object.

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 19

Name the mirror that

(b) will always give virtual image of same size as the object.

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 19

Name the mirror that will always give the virtual and diminished image of an object.

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 19
Name the mirror that is used by a doctor in examining teeth.
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 20
What should be the position of the object, when a concave mirror is to be used: as a shaving mirror?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 20
What should be the position of the object, when a concave mirror is to be used: in torches producing parallel beam of light?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 21
Name the type of mirror used in a solar furnace. How is the high temperature achieved by this device?