A beam of light incident on a convex lens parallel to its prinicpal axis converges at a point F on the principal axis. Name the point F. Draw a ray diagram to show it.

Open in App

Solution

The point is known as the second focus.

Suggest Corrections

Similar questions

Q. 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 :

A ray of light after refraction through a convex lens emerges parallel to the principal axis. (a) Draw a ray diagram to show it. (b) The incident ray passes through a point F on the principal axis. Name the point F.

A beam of light incident on a thin concave lens parallel to its principle axis diverges and appears to come from a point F on the principal axis. Name the point F. Draw a ray diagram to show it.

Q. 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 :

Q. A ray of light, after refraction through a convex lens emerges parallel to the principal axis. The incident ray when produced appear to come from a point on principal axis. Name the point :

Join BYJU'S Learning Program