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in Physics by (24.9k points)
किसी नाभिकीय अभिक्रिया `A+btoC+d` का `Q` मान निम्नलिखित समीकरण द्वारा परिभाषित होता है।
`Q=[m_(A)+m_(b)-m_(C)-m_(d)]c^(2)`
जहां दिए गए द्रव्यमान नाभिकीय विराम द्रव्यमान है। दिए गए आंकड़ों के आधार पर बताइए कि निम्नलिखित अभिक्रियाएं ऊष्माक्षेपी है या ऊष्माशोषी।
(i) `._(1)^(1)H+._(1)^(3)Hto_(1)^(2)H+._(1)^(2)H`
(ii) `._(6).^(12)C+._(6)^(12)Cto._(10)^(20)Ne+._(2)^(4)He`
दिए गए परमाणु द्रव्यमान इस प्रकार है:
`m(._(1)^(2)H)=2.014102 u`
`m(._(1)^(3)H)=3.016049u`
`m(._(6)^(12)C)=12.000000u`
`m(_(10)^(20)Ne)=19.992439 u`

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1 Answer

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by (25.1k points)
Correct Answer - (i) `Q=-4.03MeV` ऊष्माशोषी
(ii) `Q=4.62MeV` ऊष्माउन्मोची

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