Rahul conducts an experiment with a concave lens of f = –20 cm. If he placed…
2024
Rahul conducts an experiment with a concave lens of f = –20 cm. If he placed the object of height 10 cm at a distance of 30 cm from the optical centre of lens, where should the screen be placed from the optical centre to take the image on the screen?
Answer: A. He will never be able to take the image on the screen wherever the screen is placed.
- A.
He will never be able to take the image on the screen wherever the screen is placed.
- B.
The screen should be placed at a distance less than 30 cm.
- C.
The screen should be placed at a distance more than 30 cm.
- D.
The screen should be placed between 20 cm and 30 cm.
- E.
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Correct answer: A
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