Assertion :When launched, the HST carried five scientific instruments: the Wide Field and Planetary Camera (WF/PC), Goddard High Resolution Spectrograph (GHRS), High Speed Photometer (HSP), Faint Object Camera (FOC) and the Faint Object Spectrograph (FOS). Reason: GHRS is not any optical instrument.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
When launched, the HST carried $5$ instruments: the Wide Field and Planetary Camera (WF/PC), Goddard High Resolution Spectrograph (GHRS), High Speed Phonometer (HSP), Faint Object Camera (FOC) and the Faint Object Spectrograph (FOS) in order to cover a large angular field in expense of resolution taking images at a longer effective focal length giving it a greater magnification.
GHRS Is an optical instrument used in the HST.

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