MEDIUM
10th ICSE
IMPORTANT
Earn 100

A ray of light after refraction through a convex lens emerges parallel to the principal axis. Draw a ray diagram to show it.

Important Questions on Refraction Through a Lens

MEDIUM
10th ICSE
IMPORTANT
A ray of light after refraction through a convex lens emerges parallel to the principal axis. The incident ray passes through a point on the principal axis. Name the point.
MEDIUM
10th ICSE
IMPORTANT
A beam of light incident on a convex lens parallel to its principal axis converges at a point on the principal axis. Name the point. Draw a ray diagram to show it.
MEDIUM
10th ICSE
IMPORTANT
A beam of light incident on a thin concave lens parallel to its principal axis diverges and appears to come from a point on the principal axis. Name the point. Draw a ray diagram to show it.
EASY
10th ICSE
IMPORTANT
Define the term focal length of a lens.
EASY
10th ICSE
IMPORTANT
What do you mean by the focal plane of a lens?
EASY
10th ICSE
IMPORTANT
State the condition for the following:

A lens has both its focal lengths equal.

EASY
10th ICSE
IMPORTANT
State the condition for the following:

A ray passes undeviated through the lens.

MEDIUM
10th ICSE
IMPORTANT
A parallel oblique beam of light falls on a convex lens. Draw a diagram to show the refraction of light through the lens.