MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Refraction

Define focus ...

Question

Define focus of lense

Open in App

Solution

Dear Student ,

Focus the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection.

Regards

Suggest Corrections

thumbs-up

0

Similar questions

Q. Define principle focus of a convex lens.

Q. Define principal focus of the convex lens.

(a) Explain with the help of a diagram, why the concave lens is also called a diverging lens. (b) Define the principal focus of a concave lens.

Q. Define principal focus of a convex lens. Draw light ray diagram of an image formed, when the object is placed in between principal focus

F

2 F

.
Write lens formula.
Calculate power of a lens if its focal length is

0.5 m

Q. Define the following terms for a lens:
(a) optical centre
(b) principal axis
(c) principal focus
(d) focal length

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction to Snell's Law

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard X Physics

Join BYJU'S Learning Program

CrossIcon