Question 39 (b) - Choice 1 [Case Based] - Practice Questions CBSE - Science Class 10 (2023 Boards) - Solutions to CBSE Sample Paper - Science Class 10

Last updated at April 16, 2024 by Teachoo

(b) One of the critical factors affecting a telescope is the amount of light it can gather. The more light a telescope can gather, the better the image it produces. What can be done to the lens to increase the amount of light a telescope gathers?

Answer:

(b)

Increasing the diameter/aperture of the objective lens/ primary mirror would lead to an increased surface area that light can fall on.

Thus, it can produce better images.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo

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