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Which of the following pairs are isobars...

Which of the following pairs are isobars ?
(i) `._(26)^(58)A, ._(28)^(58)B`
(ii) `._(35)^(79)X,._(35)^(80)Y`
Give reasons for your choice.

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The correct Answer is:
`._(26)^(58)A,._(28)^(58)B`
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
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