A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index 5/3 is poured…

Question

A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index $\frac{5}{3}$ is poured inside the bucket, then the microscope has to be raised by $30 \, \text{cm}$ to focus the object again. The height of the liquid in the bucket is:

A
$75 \, \text{cm}$
B
$50 \, \text{cm}$
C
$18 \, \text{cm}$
D
$12 \, \text{cm}$

Accepted Answer

A. $$75 \, 	ext{cm}$$

Answer

B. $$50 \, 	ext{cm}$$

Answer

C. $$18 \, 	ext{cm}$$

Answer

D. $$12 \, 	ext{cm}$$

Answer & step-by-step solution

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