Home
Class 12
PHYSICS
A free neutron decays to a proton but a ...

A free neutron decays to a proton but a free proton does not decay to a neutron. This is because

A

neutron is a composite particle made of a proton and an electron whereas proton is a fundamental particle

B

neutron is an uncharged particle whereas proton is a charged particle

C

neutron has larger rest mass than the proton

D

weak forces can operate in a neutron but not in a proton.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • THE NUCLEOUS

    HC VERMA|Exercise Exercise|53 Videos
  • THE NUCLEOUS

    HC VERMA|Exercise Objective 1|19 Videos
  • SPEED OF LIGHT

    HC VERMA|Exercise Exercises|3 Videos
  • THE SPECIAL THEORY OF RELATIVITY

    HC VERMA|Exercise Exercise|28 Videos

Similar Questions

Explore conceptually related problems

A free neutron beta-decays to a proton weth a half-life of 14 minutes .(a)What is the decay constant ?(b)Find the energy liberated in the process.

A neutron initially at rest, decays into a proton, an electron and an antineutrino. The ejected electron has a momentum of 1.4xx10^-26 kg-m/s and that of antineutrino 6.4xx10^-27 kg-m/s. Find the recoil speed of the proton a. if the electron and the antineutrino are ejected along the same direction and b. if they are ejected along perpendicular directions. Mass of the proton 1.67xx10^-27 kg.

Which one of the following does not contain neutron?

A neutron exerts a force on a proton which

Let F_pp, F_pn and F_nn denote the magnitudes of the nuclear force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. When the separation is 1 fm ,

a. Is free neutron a stable particle? b. Give reason.

Which is the only isotope that does not contain a neutron?

Show that the minimum energy needed to sepatate a proton from a nucleus with Z protons and N neutrons is Delta E=(M_z-1+M_H-M_(Z,N)c^(2)) where M_(Z,N)= mass of an atom with Z protons and N neutrons in the nucleus and M_H= mass of a hydrogen atom. this energy is known as proton-separation energy.

What is the charge of an electron, proton and a neutron ?