What will be the focal length of the lens whose power is -40.
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Answered by
25
Answer:
It will be found to be equal to 6 cm. Thus, object is placed at a distance of 6 cm × 5 = 30 cm from the lens. An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm.
Explanation:
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Answered by
1
Answer:
0.025m
Explanation:
P=1/f
-40=1/f
f=1/-40
f= -0.025m
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