Radioactivity

For the radioactive nuclei that undergo either α or β decay, which one

For the radioactive nuclei that undergo either α or β decay, which one of the following cannot occur? Options (a)…

The relationship between decay constant λ and half-life T of a radioactive substance is

The relationship between decay constant λ and half-life T of a radioactive substance is Options (a) λ=log₁₀2/T (b) λ=logₑ2/T (c)…

The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.

The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol. The number…

The energy released by the fission of one uranium atom is 200 MeV.

The energy released by the fission of one uranium atom is 200 MeV. The number of fission per second required…

Nuclear fission is not found in

Nuclear fission is not found in Options (a) thermonuclear reactor (b) hydrogen bomb (c) energy production in sun (d) atom…

In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second

In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second is 4x10²⁰. If the energy released per…

The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ is

The kinetic energy of α-particle emitted in the α-dacay of ₈₈Ra²²⁶ is [given, mass number of Ra=222 u] Options (a)…

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…

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…

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…