₇N¹⁴ when bombarded by a neutron produces which element alongwith the emission of a proton?

1. ₇N¹⁵
2. ₆C¹²
3. ₆C¹⁴
4. ₅B¹¹
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Answer: C
Explanation:
• ₇N¹⁴ + ₀n¹ ࢐ ₆C¹⁴ + ₁H¹
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In nuclear fission reaction, neutrons are particularly useful as:

1. projectile
2. target
3. lethargic
4. dissuasion
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Answer: A
Explanation:
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Neutrons pierce the positive nucleus easily, because they are:

1. heavier particles
2. lighter particles
3. energetic particles
4. electrically neutral
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Answer: D
Explanation:
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Combination of two small nuclei into a large nucleus is called:

1. nuclear fusion reaction
2. nuclear fission reaction
3. nuclear disintegration
4. transmutation
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Answer: A
Explanation:
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Two hydrogen (₁H¹) nuclei fuse to produce:

1. helium nucleus (₂He⁴)
2. deuterium nucleus (₁H²)
3. tritium nucleus (₁H³)
4. all of these
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Answer: B
Explanation:
• ₁H¹ + ₁H¹ ࢐ ₁H² + ₁e⁰ (positron)
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Deuterium nucleus (₁H²) and tritium nucleus (₁H³) combine to give:

1. helium nucleus (₂He⁴)
2. helium nucleus (₂He⁵)
3. Lithium nucleus (₃Li⁶)
4. none of these
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Answer: A
Explanation:
• ₁H² + ₁H³ ࢐ ₂He⁴ + ₀n¹
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Which nuclear reaction requires very high temperature to take place?

1. nuclear fusion reaction
2. nuclear fission reaction
3. nuclear disintegration
4. all of these
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Answer: A
Explanation:
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A chain reaction sets in:

1. nuclear fusion reaction
2. nuclear fission reaction
3. nuclear disintegration
4. all of these
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Answer: B
Explanation:
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Which nuclear reaction can be controlled and energy released can be used for peaceful purposes?

1. nuclear fusion reaction
2. nuclear fission reaction
3. nuclear disintegration
4. all of these
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Answer: B
Explanation:
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In which nuclear reaction, the products formed are non-radioactive in nature?

1. nuclear fusion reaction
2. nuclear fission reaction
3. nuclear disintegration
4. all of these
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Answer: A
Explanation:
• In fission reaction the products are radioactive in nature but in fusion reaction the products are non-radioactive in nature.
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