A mirror has focal length - 20 cm. What can you say about the nature of the mirror
Answers
Answered by
2
Answer:
Concave Mirror
Explanation:
Concave mirrors always have negative focal length.
Answered by
4
Question ⇓
A mirror has focal length - 20 cm. What can you say about the nature of the mirror
Answer ⇓
The mirror having -20 cm as its focal length is a concave mirror because the focal length is taken negatively only in case of a concave mirror.
Your Answer Mate ⇑
follow me✌
Similar questions