In the nucleus of uranium, the number of neutrons will be _____________? April 17, 2025 by admin A. 92 B. 235 C. 143 D. Different for different isotopes
During fusion of hydrogen into helium________________? April 17, 2025 by admin A. Energy is absorbed B. Energy is released C. Mass is increased due to energy absorption D. Mass is reduced due to the energy released
One AMU is equal to__________________? April 17, 2025 by admin A. 1.66 x 10-27kg B. 166 x 10-15ng C. 166 x 10-20g D. All of above
For chain reaction to build up the size of the radioactive target should be______________? April 17, 2025 by admin A. Greater than the critical size B. Less than the critical size C. Equal to the critical size D. All of above can build up a change reaction
Antimatter consists of ______________? April 17, 2025 by admin A. Antiproton B. Antineutron C. Positron D. All of above
Neutron and proton are commonly known as______________? April 17, 2025 by admin A. Nucleon B. Meson C. Boson D. Quartz
Which one of the following radiation possesses maximum penetrating power ? April 17, 2025 by admin A. X-rays B. B-rays C. γ-rays D. All have the equal penetrating powe
Electrons_________________? April 17, 2025 by admin A. Can exist inside the nucleus B. Cannot exist inside the nucleus C. Can exist both inside and outside the nucleus D. Do not know
Radioactivity is a ______ (A) Spontaneous activity (B) Chemical property_____________? April 17, 2025 by admin A. A & B B. B & C C. C & A D. A B & C
The energy liberated when one atom of U-235 undergoes fission reaction is________________? April 17, 2025 by admin A. 200MeV B. 40MeV C. 30MeV D. 20MeV
