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What is the focal length of a makeup mirror that has a power of1.50D

Short Answer

Expert verified

The focal length of the mirror is f=0.667m.

Step by step solution

01

Definition of power of the lens

The power of a lens is defined to be the inverse of its focal length.

02

Calculating the focal length of the mirror

Power of mirror is given as,

P=1.5D

So, the focal length can be calculated as:

f=1Pf=11.5Df=0.667mTherefore,thefocallengthofthemirroris0.667m.

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