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Select an option that is true regarding the following two statements labelled Assertion (A) and Reason (R).

A. Sun is a star.

R. Stars are space objects that produces their own energy through fusion reaction of gases.

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AAI ATC Junior Executive 21 Feb 2023 Shift 2 Official Paper
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  1. ‘A’ is true but ‘R’ is false.
  2. Both ‘A’ and ‘R’ are false
  3. Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.
  4. Both ‘A’ and ‘R’ are true but ‘R’ is not the correct explanation of ‘A’. 

Answer (Detailed Solution Below)

Option 3 : Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.
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Detailed Solution

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Assertion (A) and Reason (R) both are true and Reason (R) is the correct explanation of Assertion (A).

Explanation:

Assertion (A) states that Sun is a star which is a fact. The Sun is classified as a G-type main-sequence star in the astronomical classification, or a G Dwarf star or a yellow dwarf.

Reason (R) says, stars are space objects that produce their own energy through the fusion reaction of gases, which is also a fact. Stars, including the Sun, generate their energy by the process of nuclear fusion in their cores, mostly converting hydrogen into helium.

Therefore, (R) is the correct explanation of (A). It is the fact that stars produce their own energy through nuclear fusion that categorizes the Sun as not just a celestial body, but specifically a star.

Hence, Both ‘A’ and ‘R’ are true and ‘R’ is the correct explanation of ‘A’.

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