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Q.1: Average energy required to remove one nucleon from the nucleus is called———?
- Binding energy per nucleon
- Energy of decay
- Destruction energy
- All of above
Q.2: The fission chain reaction in a nuclear reactor can be controlled by introducing ——–?
- Iron rods
- Graphite rods
- Cadmium rods
- Platinum rods
Q.3: Which one of the following radiations possesses maximum velocity ?
- All of above have the same speed
Q.4: The charge on an electron was determine by ——–?
Q.5: The charge on neutron is——–?
- Plus 1.6 x 10-19C
- Minus 1.6 x 10-19C
- No definite charge
Q.6: A particle having the mass of an electron and the charge of a proton is called a——-?
- Gamma rays
Q.7: Mass of neutron is——–?
- 1.67 x 10-31 kg
- 1.67 x 10-27 kg
- 9.1 x 10-31 kg
- 1.67 x 10-19 kg
Q.8: Nuclei having the same mass number but different atomic number are——?
Q.9: A mass spectrograph (spectrometer) sorts out——?
Q.10: Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is——-?
- Greater than 82
- Sometimes smaller some times greater