Question

CAN ANY ONE HELP ME PLZ!!!

PLZ SOME ONE GIVE ME 3 MEDIUM LEVEL QUESTIONS WITH FULL PROPER SOLUTION... RELATED TO MIRROR FORMULA (stick to that only not other)

URGENT ...
HELP CHAIYE ...
KOI HAI

Answer 1

1.A mirror is turned through 15'. By what angle will the reflected ray turn ?
= 30' .Because the reflected ray turns through twice the angle through which the plane mirror is turned.

2. An object is placed at a distance of 40 cm in front of a convex mirror of radius of curvature 40 cm. List four characteristics of the image from by the mirror.
= As u = R = 2 f
characteristics will be:
1. Image is formed at C.
2. Image will be of the same size as the object.
3. Image will be real and inverted.

3. A concave mirror is held in water. What should be the change in the focal length of the mirror?
= no change. The focal length of a concave mirror does not depend on the nature of the surrounding medium.

Answer 2

Explanation:

ʏᴏᴜ ᴄᴀɴ ᴜsᴇ ᴛʜɪs ǫᴜᴇsᴛɪᴏɴ ᴀs ғɪᴠᴇ ᴍᴀʀᴋs......