Assertion :e/m ratio of anode rays is independent of nature of gas. Reason: All anode rays are protons

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 D Both Assertion and Reason are incorrect
The e/m ratio varied with the gas in discharge tube for anode rays as the rays were of positive ions and not protons always. Hence assertion and reason are both incorrect.

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Assertion :e/m ratio of anode rays is independent of nature of gas. Reason: All anode rays are protons

The correct option is D Both Assertion and Reason are incorrectThe e/m ratio varied with the gas in discharge tube for anode rays as the rays were of positive ions and not protons always. Hence assertion and reason are both incorrect.

The correct option is D Both Assertion and Reason are incorrect
The e/m ratio varied with the gas in discharge tube for anode rays as the rays were of positive ions and not protons always. Hence assertion and reason are both incorrect.