AIIMS2010Physics-Telescopes
AIIMS 2010 Physics X-ray astronomy Assertion Reason Question
Type: Assertion Reason-conceptual-Medium-Class 12
Assertion : X⁻ray astronomy is possible only from satellites orbiting the earth. Reason : Efficiency of X⁻rays telescope is large as compared to any other telescope.
A
A: Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B
B: Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C
C: Assertion is true but Reason is false.
D
D: Both Assertion and Reason are false.
Correct Answer
Option C
Detailed Explanation
The earth's atmosphere is transparent to visible light and radio waves, but absorbs X-rays. Therefore X-rays telescope cannot be used on earth surface.
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