A. Logarithmic
B. Exponential
C. Linear
D. Inverse square
Related Mcqs:
- Radioactive decay of a material involves a _____________ order reaction?
A. Third
B. Second
C. First
D. Zero - Radioactive decay is a _____________ change?
A. Chemical
B. Nuclear
C. Physical
D. None of these - Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these - Emission of β-particles during radioactive decay of a substance is from__________________?
A. Innermost shell
B. Nucleus
C. Outermost shell
D. None of these - In β-decay of radioactive material, the ratio of neutron to proton____________________?
A. Increases
B. Remain same
C. Decreases
D. Is unpredictable; may increase or decrease - The new nucleus formed after β-decay of a radioactive element has___________________?
A. Less atomic number
B. Less atomic weight
C. More atomic number
D. More atomic weight - The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then____________?
A. 3/4th of it will disintegrate in two months
B. It will completely disintegrate in two months
C. It will completely disintegrate in four months
D. 1/8th of it will remain intact at the end of four months - The most abundant isotope of natural uranium is ___________________?
A. 92U238
B. 92U235
C. 92U234
D. None of these - Radioactivity of an isotope is expressed in______________________?
A. Barn
B. MeV
C. Curie
D. Ergs - If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same isotope will be ____________ days?
A. 5
B. 10
C. 20
D. 30
