Nuclear Fission Numerical Class-12 Nootan ISC Physics Solution Ch-30 Nuclear Fission and Fusion : Sources of Energy. Step by step solutions of Kumar and Mittal Physics of Nageen Prakashan as council latest prescribe guideline for upcoming exam. Visit official Website CISCE for detail information about ISC Board Class-12 Physics.
Nuclear Fission Numerical Class-12 Nootan ISC Physics Solution Ch-30 Nuclear Fission and Fusion : Sources of Energy
| Board | ISC |
| Class | 12 |
| Subject | Physics |
| Book | Nootan |
| Chapter-30 | Nuclear Fission and Fusion : Sources of Energy. |
| Topics | Numericals on Nuclear Fission |
| Academic Session | 2025-2026 |
Numericals on Nuclear Fission
Que-1: 0.5 g mass is decayed in the fission of a part of uranium. How much energy will be obtained by it? Express result in MeV and in kWh.
Ans-
Que-2: If the loss of mass in some fission process be 0.10% how much energy will be obtained by the fission of 1 kg substance? How many kilowatt-electricity can be obtained by it?
Ans- Loss of mass
Que-3: In nuclear fusion, 0.993 g helium is formed by 1gr hydrogen. If the efficiency of the generator be 5%, then calculate the energy obtained in kilowatt-hour (kWh).
Ans-
Que-4: The energy released per fission of 92U235 nucleus is 200 MeV. Compute the energy released in joule if 100 g of 92U235 fissioned . Avogadro’s number is 6.02 x 10^23 mole^-1.
Ans-
Que-5: Calculate the useful power produced in a reactor of 40% efficiency in which 10^14 fissions are taking place per second, and the energy per fission is 250 MeV.
Ans- Total power
Que-6: If 200 MeV energy is released in the fission of a single nucleus of 92U235, how many fissions must occur in one second to produce a power of 1 kW? Also, compute the energy released in the complete fission of 0.5 kg of U235. Take Avogadro’s number = 6.02 × 10^26 k mol^-1.
Ans-
Que-7: A U235 reactor is producing nuclear energy at a rate of 32,000 kW. How many nuclei of U235 are fissioned per second? How much U235 would be consumed in 1000 hours? Assume an average energy of 200 MeV released per fission. Take Avogadro’s number as 6 x 10^23 mol^-1.
Ans-
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