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Q. No.Boron has two isotopes and . If atomic weight of Boron is 10.81 then ratio of to in nature will be:
1. 15 : 16
2. 19: 81
3. 81 : 19
4. 20: 53
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology\({}_{92}^{235}\mathrm{U}+ {}_{0}^{1}\mathrm{n}\rightarrow {}_{56}^{144}\mathrm{Ba}+...+3{}_{0}^{1}\mathrm{n}\)
The blank space can be filled by:
| 1. | \({}_{26}^{89}\mathrm{Kr}\) | 2. | \({}_{36}^{89}\mathrm{Kr}\) |
| 3. | \({}_{26}^{90}\mathrm{Sr}\) | 4. | \({}_{38}^{89}\mathrm{Sr}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biologyemitted one particles, then it will become:
1.
2.
3.
4. None of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(3\)
2. \(5\)
3. \(7\)
4. \(9\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. decreased by \(4\)
2. increased by \(4\)
3. decreased by \(2\)
4. increased by \(2\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the given reaction, the particle \(\mathrm{X}\) is:
\({ }_6^{11} \mathrm{C}\rightarrow { }_5^{11}\mathrm{B}+\beta^{+}+\mathrm{X}\)
1. neutron
2. anti-neutrino
3. neutrino
4. proton
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | Liquid droplet theory. |
| 2. | Yukawa \(\pi\text-\)meson theory. |
| 3. | Independent particle model of the nucleus. |
| 4. | Proton-proton cycle. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich rays contain (+ve) charged particle:
1. α-rays
2. β-rays
3. γ-rays
4. X-rays
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(M <\left \{N.M_n+Z.M_p \right \}\)
2. \(M >\left \{N.M_n+Z.M_p \right \}\)
3. \(M =\left \{N.M_n+Z.M_p \right \}\)
4. \(M =N\left \{M_n+M_p \right \}\)
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