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A beam of light of wavelength 590 nm is focussed by a converging lens of diameter

A Beam Of Light Of Wavelength 590 Nm Is Focussed Physics Question

A beam of light of wavelength 590 nm is focussed by a converging lens of diameter 10 cm at a distance of 20 cm form it. Find the diameter of the disc image formed

Options

(a) 5.76×10⁻⁴ cm
(b) 7.51×10⁻⁴ cm
(c) 8.72×10⁻⁴ cm
(d) 9.80×10⁻⁴ cm

Correct Answer:

5.76×10⁻⁴ cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Wave Optics (101)
Subject: Physics (2479)

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