Answer:
—2D
Explanation:
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power of lens=2D
power of lens=p
focal length=f
f=50cm
p=100÷f(in cm) (or) p=1÷f(in m)
p=100÷50
p=2D
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Answers & Comments
Answer:
—2D
Explanation:
Plzzz follow me and Mark as brainlist
Answer:
power of lens=2D
Explanation:
power of lens=p
focal length=f
f=50cm
p=100÷f(in cm) (or) p=1÷f(in m)
p=100÷50
p=2D