Which lens is converging: a concavo-convex lens or a convexo-concave lens?

Important Questions on Refraction Through a Lens

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 5

Out of the two lenses, one concave and the other convex, state which one will show the divergent action on a light beam.

MEDIUM

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 6

Show by a diagram the refraction of two light rays incident parallel to the principal axis on a convex lens by treating it as a combination of a glass block and two triangular glass prisms.

MEDIUM

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 7

Show by a diagram, the refraction of two light rays incident parallel to the principal axis on a concave lens by treating it as a combination of a glass block and two triangular glass prisms.

MEDIUM

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 8

How does the action of a convex lens differ from that of a concave lens on a parallel beam of light incident on them? Draw diagram to illustrate your answer.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 9

Define the term principal axis of a lens.

EASY

10th ICSE

IMPORTANT

Selina Icse Concise Physics For Class 10>Chapter 5 - Refraction Through a Lens>EXERCISE-5(A)>Q 10

Explain optical centre of a lens with the help of proper diagram(s).

EASY

10th ICSE