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Class 8 Light: Mirrors and Lenses worksheet
CBSE Science. Concave and convex mirrors and lenses, their images and uses, the laws of reflection. Every sheet has 20 questions in three sections and an answer key, and the numbers change every time.
Sample questions
Real questions from this chapter, as the app sets them. Tap Answer to see the answer and working.
Section A · multiple choice
- 1.
A mirror whose reflecting surface curves inwards is a:
- plane mirror
- convex lens
- convex mirror
- concave mirror
Answer
(d) concave mirror
- 2.
The image formed by a convex mirror is:
- always invisible
- inverted
- erect and smaller
- erect and enlarged
Answer
(c) erect and smaller
- 3.
Which is used as a mirror at a sharp road bend?
- convex lens
- concave mirror
- convex mirror
- concave lens
Answer
(c) convex mirror
Section B · short answer
- 4.
What is the difference between a concave and a convex mirror?
Answer
A concave mirror reflects from its inward-curved surface; a convex mirror from its outward-curved surface.
- 5.
Which mirror or lens is used as (a) a mirror at a sharp road bend (b) a torch reflector?
Answer
(a) convex mirror (b) concave mirror
Section C · long answer
- 6.
Describe the images formed by a concave mirror as an object moves away from it.
Answer
Very close: erect and enlarged. As it moves farther, the image becomes inverted and enlarged, then inverted and smaller.
Fresh sheets for your child
In the app, every Light: Mirrors and Lenses sheet is new: the app remembers the questions your child has already had and leaves them out. Print the sheet as a PDF, or use notebook mode and write the answers in a notebook.
Coming soon for Android and iPhone.