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Maharashtra State Service Pre 2026 PracticeMedium

Q.Regarding the James Webb Space Telescope (JWST), the most powerful space telescope ever built, consider the following statements: (a) JWST is primarily designed to conduct infrared astronomy, allowing it to see through dust clouds and observe some of the universe's oldest galaxies. (b) Like the Hubble Space Telescope, JWST orbits the Earth at an altitude of approximately 540 kilometers. (c) Its primary mirror consists of 18 hexagonal segments made of beryllium and coated with a microscopic layer of gold. Which of the statements given above are correct?

a
(1) Only (a) and (b)
b
(2) Only (a) and (c)
c
(3) Only (b) and (c)
d
(4) All of the above

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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