Math, asked by sujalshinde760, 2 months ago

The power of a convex of focal length 25cm is ??​

Answers

Answered by vansh8584
3

Answer:

4 Dioptar

Step-by-step explanation:

focal lenght,f=25cm(0.25 m)

power of lens = 1/focal lenght(in metre)

=1/0.25

=4 D

Answered by happyaswal101
0

Answer:

Since, it is a convex lens, the power is positive. Thus, P=+4D

Step-by-step explanation:

P= 1/f

f= 25cm = 0.25m

P = 1/ 0.25

P= + 4D

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