A) microscope will increase but that of telescope Decrease
B) microscope and telescope both will increase
C) microscope and telescope both will decrease
D) microscope will decrease but that of telescope will increase
Correct Answer: D
Solution :
For microscope \[m=\frac{L}{{{f}_{o}}}\frac{D}{{{f}_{e}}}\] \[\Rightarrow \,\,\,\,\,\,\,\,\,m\propto \frac{1}{{{f}_{o}}}\] For telescope \[m=\frac{{{f}_{o}}}{{{f}_{e}}^{'}},m\propto {{f}_{o}}\] The magnifying power of microscope will decrease but the magnifying power telescope will increase.
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