A doctor has prescribed a corrective lens of power -1.5 D. Find the focal length of the lens. Is the
prescribed lens converging or diverging?
Answers
Answered by
7
Answer:
f= -0.67m
Explanation:
P=1/f
-1.5=1/f
f=1/-1.5
f=(-10/15)
f= -2/3
f= -0.67m
Since the focal length is negative the lens used is concave.
HOPE THIS BRING A SMILE IN YOUR FACE
Answered by
3
Answer:
Explanation:
P = -1.5 D
P = 1/f
f = 1/P = 1/(-1.5) = -0.67 m = -67 cm
Since focal length is negative, it is a diverging lens
Similar questions
Math,
5 months ago
English,
5 months ago
Chinese,
10 months ago
Computer Science,
10 months ago
Math,
1 year ago