A large concave mirror has a radius of curvature of 1.5m a person stands 10m in front of the mirror. Where is the persons image
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R = 1.5m
f = R/2 = 1.5/2 = 0.75m
U = 10m
V =?
1/f = 1/v + 1/u
1/0.75 = 1/v + 1/10
1/v = 100/75 - 1/10
1/v = 4/3 - 1/10
1/v = (40 - 3) / 30
1/v = 37 / 30
v = 30 / 37
v = 0.81 m
Thanks
f = R/2 = 1.5/2 = 0.75m
U = 10m
V =?
1/f = 1/v + 1/u
1/0.75 = 1/v + 1/10
1/v = 100/75 - 1/10
1/v = 4/3 - 1/10
1/v = (40 - 3) / 30
1/v = 37 / 30
v = 30 / 37
v = 0.81 m
Thanks
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