A doctor has prescribed a corrective lens of power+2d find the focal length of the lens?
How many water molecules are needed to balance the given chemical equation
How many water molecules are needed to balance the given chemical equation
How many water molecules are needed to balance the given chemical equation
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Answer:
f=0.5 m OR f=50 cm
Step-by-step explanation:
Power:-2 D
then, focal length(f)=1/p
- f=1/p
- f=1/2
- f=0.5 m OR f=50 cm((it's a convex lens))
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