If t₁ ̷ ₂ is the half-life of a substance, then t₃ ̷ ₄ is the time in which
If t₁ ̷ ₂ is the half-life of a substance, then t₃ ̷ ₄ is the time in which Options…
7 years ago
Physics
If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part
If the half-life of a material is 10 yr, then in what time, it becomes 1/4th part of the initial…
7 years ago
A radiactive substance emits 100 beta particles in the first 2s and 50 beta
A radiactive substance emits 100 beta particles in the first 2s and 50 beta particles in the next 2s. The…
7 years ago
A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter
A nucleus ᴢXᴬ emits an α- particle with velocity v. The recoil speed of the daughter nucleus is Options (a)…
7 years ago
Pick out the correct statements from the following
Pick out the correct statements from the following I. Electron emission during β-decay is always accompanied by neutrons II. Nuclear…
7 years ago
The phenomenon of radioactivity
The phenomenon of radioactivity Options (a) increases on applied pressure (b) is exothermic change which increases or decreases with temperature…
7 years ago
The purpose of using heavy water in nuclear reactor is
The purpose of using heavy water in nuclear reactor is Options (a) to increase the energy released in nuclear fission…
7 years ago
In radioactive element, β-rays are emitted from
In radioactive element, β-rays are emitted from Options (a) Nucleus (b) Outer orbit (c) Inner orbit (d) None of these…
7 years ago
A U²³⁵ reactor generates power at a rate of P producing 2×10⁸ fission per second.
A U²³⁵ reactor generates power at a rate of P producing 2x10⁸ fission per second. The energy released per fission…
7 years ago
When ₉₀Th²²⁸ transforms to ₈₃Bi²¹², the number of emitted α and β particles
When ₉₀Th²²⁸ transforms to ₈₃Bi²¹², the number of emitted α and β particles are respectively Options (a) 8 α,7 β…
7 years ago