A concave spherical mirror has a radius of curvature of 5.00cm . A. Calculate th

Question

A concave spherical mirror has a radius of curvature of 5.00cm .

A. Calculate the location of the image formed by an 15.0-mm-tall object whose distance from the mirror is 10.0cm .

B. Calculate the location of the image formed by an 15.0-mm-tall object whose distance from the mirror is 5.00cm .

C. Calculate the location of the image formed by an 15.0-mm-tall object whose distance from the mirror is 1.25cm

D. Calculate the location of the image formed by an 15.0-mm-tall object whose distance from the mirror is 10.0m .

Explanation / Answer

Focal length of the mirror is f = R /2 = 5 cm /2 = 2.5cm. The equation for focal length of the mirror is given as

       (1/f) = (1/ u) + (1/v)

u is object distance, v is image distance, f is focal length.

a) object distance v when f and u are dropped in the equations V = 3.33cm

b) V=5cm

c) V = -2.5cm

d) V = 3.33 cm

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