sum imp questions
Asked by pritam
| 21st Nov, 2010,
10:19: AM
Expert Answer:
here u = - 4 m
v = - 8 m
apply mirror formula 1/f = 1/u + 1/v
it gives
magnification = - ( v/u) = -2= (image height / object height )
- ve sign shows that image is real ,there mirror is concave.

Answered by
| 24th Nov, 2010,
11:57: AM
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