HARD

10th CBSE

IMPORTANT

Earn 100

A concave mirror produces a real image with a height of $20 mm$ , of an object $5 mm$ tall and placed at $10 cm$ from the mirror. Calculate the focal length of the mirror and position of the image.

Important Questions on Light : Reflection and Refraction

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 8

When an object is placed at a distance of

30 cm

from a convex spherical mirror, the height of image is half of the object's height. Where should the object be placed in order for the height of image to be

{\frac{1}{3}}^{r d}

of the object's height.

HARD

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 9

An object is placed $18 cm$ in front of a spherical mirror. If the image is formed $2 cm$ to the right of the mirror, find its focal length. Is the mirror convex or concave? What is the nature of the image? What is the radius of curvature of the mirror?

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 10

A small candle of size

5 cm

is placed

54 cm

in front of a concave mirror of radius of curvature

72 cm

. Where must a screen be placed to form a sharp image? Describe the size and the nature and size of the image.

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 11

How far should an object be from a concave mirror of radius

0.18 m

to form a real image

\frac{1}{9}

th of its size?

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 12

A rear view mirror in a car has radius of curvature

4 m

. If a truck is

6 m

from this mirror, find the position, nature and size of the image.

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 13

An object of

6 cm

is placed

20 cm

in front of a concave mirror of focal length

12 cm

. Where should a screen be placed to obtain a sharp image? Find the nature and size of the mirror.

EASY

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 14

An object is placed $36 cm$ in front of a spherical mirror. If the image is formed at $8 cm$ to the rear of the mirror, calculate its focal length. Is the mirror convex or concave? What is the nature of the image?

MEDIUM

10th CBSE

IMPORTANT

ESSENTIALS OF PHYSICS CLASS X>Chapter 1 - Light : Reflection and Refraction>Practice Problems-I>Q 15

An object

4 cm

in height is placed

15 cm

in front of a concave mirror of focal length

10 cm

. At what distance from the mirror should a screen be placed to obtain a sharp image of the object. Calculate the height of the image.

A concave mirror produces a real image with a height of 20 mm, of an object 5 mm tall and placed at 10 cm from the mirror. Calculate the focal length of the mirror and position of the image.

Important Questions on Light : Reflection and Refraction

Learn and Prepare for any exam you want !

A concave mirror produces a real image with a height of $20 mm$ , of an object $5 mm$ tall and placed at $10 cm$ from the mirror. Calculate the focal length of the mirror and position of the image.