A concave mirror has a radius of $2.0 \mathrm{~m}$. What is the refractive power of a lens of the same focal length as the mirror?
A) $0.75 \mathrm{D}$
B) $-0.50 \mathrm{D}$
C) $2.0 \mathrm{D}$
D) $1.0 \mathrm{D}$
E) $0.50 \mathrm{D}$

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The Answer of A concave mirror has a radius of $2.0 \mathrm{~m}$. What is the refractive power of a lens of the same focal length as the mirror?
A) $0.75 \mathrm{D}$
B) $-0.50 \mathrm{D}$
C) $2.0 \mathrm{D}$
D) $1.0 \mathrm{D}$
E) $0.50 \mathrm{D}$

A Concave Mirror Has a Radius Of 2.0 m2.0 \mathrm{~m}2.0 m What Is the Refractive Power of a Lens of What

A Concave Mirror Has a Radius Of $2.0 \mathrm{~m}$ What Is the Refractive Power of a Lens of What