What is the energy released by fission of 1 g of U²³⁵?
What is the energy released by fission of 1 g of U²³⁵? (Assume 200 MeV energy is liberated on fission…
7 years ago
Physics
In which of the follows decays, the element does not change?
In which of the follows decays, the element does not change? Options (a) β-decay (b) α-decay (c) γ-decay (d) None…
7 years ago
A radioactive nucleus emits a beta particle. The parent and daughter nuclei are
A radioactive nucleus emits a beta particle. The parent and daughter nuclei are Options (a) Isotopes (b) Isotones (c) Isomers…
7 years ago
By the succesive disintegration of ₉₂U²³⁸, the final product obtained is ₈₂Pb²⁰⁶, then
By the succesive disintegration of ₉₂U²³⁸, the final product obtained is ₈₂Pb²⁰⁶, then how many number of α and β-particles…
7 years ago
During negative β-decay
During negative β-decay Options (a) Neutron converts into proton (b) Proton converts into neutron (c) Neutron proton ratio increases (d)…
7 years ago
In atom bomb, the reaction which occurs is
In atom bomb, the reaction which occurs is Options (a) fusion (b) controlled fission (c) uncontrolled fission (d) thermonuclear Correct…
7 years ago
1 curie is equal to
1 curie is equal to Options (a) 3x10¹⁰ disintegrations/sec (b) 3.7x10⁷ disintegrations/sec (c) 5x10⁷ disintegrations/sec (d) 3.7x10¹⁰ disintegrations/sec Correct Answer:…
7 years ago
A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is
A nucleus ᵐₙ X emits one α- particle and two β- particles. The resulting nucleus is Options (a) ᵐ⁻⁶ₙ₋₄ Z…
7 years ago
Magnetism of a magnet is due to
Magnetism of a magnet is due to Options (a) Cosmic rays (b) Large magnet at the centre of Earth (c)…
7 years ago
Nickel shows ferromagnetic property at room temperature. If the temperature is
Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show Options…
7 years ago