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?

Related Mcqs:

1. 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...

2. The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be _____________ percent?

   A. 3.125 B. 6.25 C. 12.50 D. 25...

3. The half life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to ______________ gm?

   A. 1/4 B. 1/8 C. 1/2 D. 1/16...

4. What is the average life of a radioactive atom having a ‘half life period’ of T ?

   A. 1.44 T B. 0.144 T C. 14.4 T D. 2T...

5. The radioisotope used to study the thyroid gland is__________________?

   A. Iodine B. Cobalt C. Iron D. Carbon...

6. 75% of a radioactive element decays in 6 hours. Its half life period is ______________ hours?

   A. 3/4 B. 1/6 C. 3 D. 4...

7. The half life period of a radioactive element depends on its _______________________?

   A. Temperature B. Pressure C. Amount D. None of these...

8. The half life period of a radioactive element depends upon the___________________?

   A. Temperature B. Pressure C. Amount of element present D. None of these...

9. A radioactive isotope undergoes decay with respect to time following _____________ law?

   A. Logarithmic B. Exponential C. Linear D. Inverse square...

10. Which one is the radioactive isotope of hydrogen ?

    A. Deuterium B. Ortho-hydrogen C. Tritium D. None of these...