The image formed by convex mirror is always-

Important Questions on Light: Reflection & Refraction at Spherical Surfaces

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 1

The image formed by a concave lens is always-

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 1

The focal length of a convex lens is $40 \mathrm{cm}$. For an object placed $40 \mathrm{cm}$ away from the lens the image will be formed at-

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 1

A lens is kept on the book and then raised by $3 \mathrm{cm}$. The text now appears erect and larger. The focal length of lens is- 

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 2

The power of a lens is $+5.0 \mathrm{D}$. The focal length of the lens will be _____ $\mathrm{cm}$.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 2

The focal length of a convex lens is $25 \mathrm{cm}$. The power of this lens will be _____ $\mathrm{D}$.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 3

Write down the relation between radius of curvature and focal length of a spherical mirror.

HARD

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 4

In what type(s) of mirrors is the linear magnification less than one, equal to one or greater than one.

MEDIUM

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 13 - Light: Reflection & Refraction at Spherical Surfaces>Exercise>Q 5

The rear-view mirrors used in vehicles are convex mirrors. Why?