an object is placed in front of a convex mirror at a distance equal to focal length of mirror if its focal length is 27 then find the distance of image
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Convex mirror has ----
f = + 27
u = - 27
v = ?
by mirrors formula
1 /u + 1/ v = 1/ f
1/ v = 1/f - 1/ u
1/v = 1/ 27 + 1 / 27
= 2/ 27
= 13.5
v = 13.5
f = + 27
u = - 27
v = ?
by mirrors formula
1 /u + 1/ v = 1/ f
1/ v = 1/f - 1/ u
1/v = 1/ 27 + 1 / 27
= 2/ 27
= 13.5
v = 13.5
DeepakHissal:
focal length is 20 cm
what ?
its focal length is not 27 it is 20
then asw will be 10 !
fine
ok fine
can y please mark as brilliant ......
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