Question

The magnifying power of a simple microscope is 6. The focal length of its lens in metres will be, if least distance
of distinct vision is 25 cm

Answer 1

Answer:

5 cm

Explanation:

m = 1 + d/f

6 =1 + 25/f

6-1 = 25/f

5= 25/f

f=25/5

= 5cm

Answer 2

Answer:

5 cm

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