Assertion :Mass spectrometer is used for the determination of isotopes. Reason: Isotopes are the atoms of same element differing in mass numbers.

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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Assertion is incorrect and Reason is correct

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Solution

The correct option is D Assertion is incorrect and Reason is correct
Mass spectrometer is the instrument used for the determination of accurate atomic mass and the relative abundance of the isotopes.

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Assertion :Mass spectrometer is used for the determination of isotopes. Reason: Isotopes are the atoms of same element differing in mass numbers.

The correct option is D Assertion is incorrect and Reason is correctMass spectrometer is the instrument used for the determination of accurate atomic mass and the relative abundance of the isotopes.

The correct option is D Assertion is incorrect and Reason is correct
Mass spectrometer is the instrument used for the determination of accurate atomic mass and the relative abundance of the isotopes.