The half life of 215 At is 100 µs. The time taken for the radioactivity of a sample of…
Physics · JEE Main · NTA Exams — Atoms and Nuclei
The half life of 215 At is 100 µs. The time taken for the radioactivity of a sample of 215 At to decay to \(\frac{1}{16}\)th of its initial value is
- 400 µs
- 6.3 µs
- 40 µs
- 300 µs
Answer
(A) 400 µ s
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The de Broglie wavelength of a particle of mass m moving with a kinetic energy E is
- The binding energy per nucleon for the parent nucleus is E 1 and that for the daughter nuclei is E 2 . Then
- The kinetic energy of an electron in the first orbit of H atom is 13.6 eV. The total energy of an electron in…
- M p denotes the mass of a proton and M n denotes the mass of a neutron. A given nucleus of B.E. B contains Z…
- In an X-ray tube electrons bombarding the target produce X-rays of minimum wavelength 1 What must be the…
- Which of the following transitions in the hydrogen atom emit the photon of highest frequency ?
- Consider the following reaction _ 1 H ^ 2 + _ 1 H ^ 2 _ 2 He ^ 4 + Q If m ( 1 H 2 ) = 2.0141 u ; m ( 2 He 4 )…
- Calculate the separation between the particles of a system in the ground state, the corresponding binding…
More Atoms and Nuclei questions · Browse all practice questions