Find the focal length of a lens of power -2.0 D. What type of lens is this?
-5 cm, concave lens
-50 cm, concave lens
-5 cm, convex lens
-50 cm, convex lens
Answers
Answered by
6
Answer:
f = 1/P
→ f = -1/2 m
→ f = -50 cm
∵ The power is negative, so it is concave lens .
ANSWER ⇒ -50cm concave lens
Explanation:
Answered by
1
Same answer as the above plz follow me plz
Similar questions