quiz

Nuclei Quiz 1

Answer these simple questions correctly and earn coins

Difficulty Level :
10 Question

Popular Questions In Nuclei Quiz 1

  • The nuclei having the same number of protons but different number of neutrons are called

  • The nuclear volume of 84\frac{8}{4} Be is ………. that of 11\frac{1}{1} H.

  • When a βparticle\beta -particle is emitted by a nucleus, its mass number

  • When an αparticle\alpha-particle is emitted by a nucleus, its mass number

  • When a γray\gamma-ray photon is emitted by an unstable nucleus,

  • In a radioactive transformation, a change in the mass number occurs with

  • The half-life of radium is 1600 y. How much of 1 μg of radium will remain undistintegrated after 8000 y?

  • In one mean lifetime of a radioactive element, the fraction of the nuclei that has disintegrated is [e is the base of natral logarithm.]

  • The decay constant of a radioactive element is λ\lambda After a time 2λ12 \lambda ^{-1} of the original number of radioactive nuclei about ……………….. remains undecayed.

  • The energy generated in the stars is because of