NCERT Exercise 9.26 - Ray Optics and Optical Instruments
Question: An angular magnification (magnifying power) of 30X is desired using an objective of focal length 1.25cm and an eyepiece of focal length 5cm. How will you set up the compound microscope?
Answer: **NCERT answer:** Assume microscope in normal use i.e., image at 25 cm. Angular magnification of the eye-piece = 25 5 1 6 Magnification of the objective = 30 6 5 O O 1 1 1 5 1.25 u u − = whic...
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