Question

Aryan a student of class X using a mirror brought sunlight in the form of a sharp spot of light on a black paper The
k paper begins to burn after some time.
Now, answer the following questions, from 18 (i) to 18(v).
4x1=4
(i) Name the type of mirror used by Aryan.
(ii) Draw the ray diagram to show the spot of light on the black paper.
(iii) What is the distance between the mirror and spot of light?
(iv) Why paper begins to burn?
(v) Why Aryan preferred taking a black coloured paper?​

Answer 1

Answer:

Type of mirror used by Aryan is concave Mirror.

Answer 2

Answer:

hey guys

1 . type of mirror used by Aryan is concave mirror

3. distance between the mirror and spot of light is focal length ( f)

4. paper begins to burn because as the sun rays were concentrated on a single point and due to over heating at the same point the paper begins to burn

5.aryan preferred to take black color because black color observs more heat than any other colour