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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