Question: Q. 4. Use the mirror equation to show that:
(i) An object placed between
(ii) a convex mirror always produces a virtual image independent of the location of the object.
(iii) an object placed between the pole and the focus of a concave mirror produces a virtual and enlarged image.
A[OD 2011]
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Solution:
Ans. (i) Try yourself Similar Q. 1 Short Answer Type Questions-I
(ii) Try yourself Similar Q. 2 (ii) Short Answer Type Questions-II
(iii) Using mirror formula
For concave mirror,
Now,
Commonly Made Error
- Many candidates made lengthy calculations, which were not required. In some cases they started with correct formula, but did wrongly sign conversions in between.
