JEE Previous Year Question
A compound microscope consists of an objective lens of focal length and an eyepiece of focal length with a separation of The distance between an object and the objective lens, at which the strain on the eye is minimum is .The value of is
Topic: JEE PYQ
Answer: 50. Full step-by-step solution below.
Correct answer: 50
Solution
50JEE Main 2020Image by objective is formed at the focus of eye-piece
For objective,
More Optical Instruments PYQs
- The magnifying power of a telescope with tube length 60 is 5 . Then the focal length of its eye piece is
- A compound microscope is a magnification of 24. The focal length of the eyepiece is . The final image is forme…
- The magnifying power of a telescope with tube length 60 cm is 5. What is the focal length of its eye piece?
- In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the o…
- A astronomical telescope has objective and eyepiece of focal lengths 40 cm and 4 cm respectively To view an object 200 cm away fro…