A) Zero
B) less than T
C) Equal to T
D) more than T
Correct Answer: B
Solution :
We know that for a mirror \[\frac{1}{v}=-\frac{1}{u}-\frac{1}{t}\] For convergent, u is positive. . For concave mirror, f is negative. \[\Rightarrow \] \[\frac{1}{v}=-\frac{1}{u}-\frac{1}{t}\] As, \[u\,>>f\] \[\Rightarrow \] \[\left[ \frac{1}{v}>\frac{1}{f} \right]\Rightarrow v<f\]
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