Q19.In the following nuclear reaction, β− γ D α→D1 →D2 α→D3 →D4 Mass number of D is 182 and atomic number is 74 . Mass number and atomic number of D4 respectively will be (1) 174 and 71 (2) 174 and 69 (3) 172 and 69 (4) 172 and 71
What This Question Tests
This question involves tracking the changes in mass number and atomic number through a series of alpha and beta-minus decays.
Concepts Tested
Formulas Used
Alpha decay: Z → Z-2, A → A-4
Beta-minus decay: Z → Z+1, A → A
📚 NCERT Sections This Tests
13.5 — The Q Value Of A Nuclear Reaction A + B ® C + D Is Defined By
Physics Class 12 · Chapter 13
13.5 The Q value of a nuclear reaction A + b ® C + d is defined by Q = [ mA + mb – mC – md]c2 where the masses refer to the respective nuclei. Determine from the given data the Q-value of the following reactions and state whether the reactions are exothermic or endothermic. (i) 11 H+13 H →12 H+12 H (ii) 126 C+126 C →1020 Ne+ 24 He Atomic masses are given to be m ( 12 H ) = 2.014102 u m ( 13 H) = 3.016049 u m ( 126 C ) = 12.000000 u m ( 1020 Ne ) = 19.992439 u
13.2 — Obtain The Binding Energy Of The Nuclei 5626Fe And 20983 Bi In Units Of
Physics Class 12 · Chapter 13
13.2 Obtain the binding energy of the nuclei 5626Fe and 20983 Bi in units of MeV from the following data: m ( 5626Fe ) = 55.934939 u m ( 20983 Bi ) = 208.980388 u
13.4 — Obtain Approximately The Ratio Of The Nuclear Radii Of The Gold Isotope
Physics Class 12 · Chapter 13
13.4 Obtain approximately the ratio of the nuclear radii of the gold isotope 197 79 Au and the silver isotope 10747 Ag .
📋 Question Details
- Chapter
- Nuclei
- Topic
- Radioactive Decay
- Year
- 2022
- Shift
- 29 Jun Shift 2
- Q Number
- Q19
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 13: Nuclei
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