The half life of a particle of mass `1.6xx10^(-26) kg is 6.9` s and a stream of such particles is travelling with the kinetic energy of a particle being 0.05 eV. The fraction of particles which will decay when they travel a distance of 1 m is -

The half life of a particle of mass 1.6 xx 10^(-26) kg is 6.9 s and a stream of such particles is travelling with the kinetic energy of a particle being 0.05 eV. The fraction of particles which will decay when they travel a distance of 1 m is

A certain particle has a half life of 60 seconds. The fraction of the particles that will decay at the end of 10 seconds is

The half life of a stream of radioactive particles moving along as straight path with a constant kinetic energy of 4 eV is 1 minute. The percentage of particles which decay before travelling a distance of 3.6 km is (Mass of the radioactive particles = 3 . 2 xx 10 ^(-21) kg and charge of the electron = 1.6 xx 10 ^(-19) C ).

There is a stream of neutrons with a kinetic energy of 0.0327 eV . If the half-life of neutrons is 700 s , what fraction of neutrons will decay before they travel is distance of 10 m ? Given mass of neutron = 1.676 xx 10^(-27) kg .

There is a stream of neutrons with kinetic energy of 0.0327 eV. If half life of neutrons is 700s, what fraction of neutrons will decay before they travel a distance of 10m? Take mass of neutron = 1.675xx10^(-27)kg.

There is a stream of neutrons with a kinetic energy of 0.0327eV. If the half-life of neutrons is 700 seconds, the fraction of neutrons that will decay before they travel a distance of 10 Km . (Given mass of neutron m=1.6758 xx 10^(-27) kg )

There is a stream of neutrons with KE=2eV. If the half life of neutrons is 100 sec, what fraction of neutrons will decay before they travel a distance of 1000 km. [Mass of neutrons =1.6 xx10^(-24)g ]