Question

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Short Answer Type-l Questions:
Define reflection of light.
What is a lens?
3. Write the main difference between a convex and a concave lens.
4. Define the principal focus of a spherical lens.
5. Which kind of a lens can form (a) an inverted image smaller than the object, (b) an erect image
smaller than the object?
Shortcuor Tuuestions:​

Answer 1

Answer:

Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves.

2.curved piece of glass that makes things look bigger, clearer, etc. when you look through it

other answers I don't know sorry

Answer 2

Answer:

not yet I am going through my research on a project and will need some guidance as

Explanation:

not yet I am going on the s to do a few of my research for this one and the other is that