Physics, asked by PIKKKAAKA, 10 months ago


An image of the sun is formed by a lens of focal length of 30 cm on the metal surface of a photoelectric cell and a photoelectric current I is produced. The lens forming the image is then replaced by another of the same diameter but of focal length 15 cm. The photoelectric current in this case is

A) I by 4
B) I
C) 2l
D) 4l

Answers

Answered by tanmaysomaiya110409
0

Answer:

An image of the sun is formed by a lens, of the focal length of 30 cm, on the metal surface of a photoelectric cell and a photoelectric current I is produced. The lens forming the image is then replaced by another of the same diameter but of focal length 15 cm

Answered by acharyashyam
0

Answer:

option c is the correct answer

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