A radioactive element forms its own isotope after 3 consecutive disintegrations.
A radioactive element forms its own isotope after 3 consecutive disintegrations. The particle emiited are Options (a) 3 β-particles (b)…
7 years ago
Radioactivity
Given a sample of radium-226 having half-life of 4 days. Find the probability,
Given a sample of radium-226 having half-life of 4 days. Find the probability, a nucleus disintegrates after 2 half-lives. Options…
7 years ago
If 20% of a radiactive element decays in 10 days, then amount of original material left
If 20% of a radiactive element decays in 10 days, then amount of original material left after 30 days is…
7 years ago
During mean life of a radioactive element, the fraction that disintegrates is
During mean life of a radioactive element, the fraction that disintegrates is Options (a) e (b) 1/e (c) (e-1)/e (d)…
7 years ago
What is the amount of energy released by deuterium and tritium fusion?
What is the amount of energy released by deuterium and tritium fusion? Options (a) 60.6 eV (b) 12.6 eV (c)…
7 years ago
If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is
If ₉₂U²³⁸ undergoes successively 8 ∝-decays and 6 β-decays, the resulting nucleus is Options (a) ₉₂U²⁰⁸ (b) ₉₂Pb²⁰⁶ (c) ₉₂U²¹⁰…
7 years ago
The energy released in the fission of 1 kg of ₉₂U²³⁵ is (energy per fission = 200 MeV)
The energy released in the fission of 1 kg of ₉₂U²³⁵ is (energy per fission = 200 MeV) Options (a)…
7 years ago
If 75% of the radioactive reaction is completed in 2 hrs, what would be
If 75% of the radioactive reaction is completed in 2 hrs, what would be the half life period? Options (a)…
7 years ago
When a radioactive substance emits an ∝ particle, its position in the periodic table
When a radioactive substance emits an ∝ particle, its position in the periodic table is lowered by Options (a) one…
7 years ago
Three fourth of the active material decays in a radioactive sample in 3/4 sec
Three fourth of the active material decays in a radioactive sample in 3/4 sec. The half life of the sample…
7 years ago