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Question

Assertion :The X-ray signatures of aluminium, magnesium and silicon were picked up by the C1XS X-ray camera of chandrayaan. Reason: The signals were picked up during a solar flare that caused an X-ray fluorescence phenomenon. The flare that caused the fluorescence was within the lowest C1XS sensitivity range.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Both Assertion and Reason are incorrect
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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
The Xrays instrument or board the chandrayaan - 1 space craft orbiting the moon that was the CIXSX ray camera detected Xray signals to from a region near the Apollo larding site. So Assertion is correct but the reason is correct as reason stated here was yes indeed the signals were picked up during a solar flare that caused Xray phenomenon. The solar flare that caused Xray fluorescence was excess dingly weak and approximately 20 times smaller than the minimum CIXS designed to detect which is the correct reason.

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