
Please explain young's double slit experiment in details. ...

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Radium(Atomic no. 87 and mass no.221) is a radioactive substance having half life of 4 days.Find the probability that a nucleus undergoes decay after two half lives. A.1 B.1/2 C.3/4 D.1/4 ...

Radium(Atomic no. 87 and mass no.221) is a radioactive substance having half life of 4 days.Find the probability that a nucleus undergoes decay after two half lives. A.1 B.1/2 C.3/4 D.1/4 ...

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Nuclei of radioactive element A are produced at rate t2 at any time t.The element A has decay constant λ.Let N be the number of nuclei of element A at any time t.At tinme t=t0 , dN/dt is minimum.Then find the number of nucle ...

can any one explain me the quantum confinement effect ? ...

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multi correct; in non uniform spherical shell of mass 'm' and radius R (here E is gravitational intensity) which of the following are wrong; (A) E = 0 (r<R) (B) ∫ E.dS = 0 on any closed surface inside the shell (C) E can ...

a square loop PQRS of side 'L' is placed near an infinite current( i ) carrying wire in the same plane at a distance 'L'. now the loop is rotated about side PS by 90° . find the charge which passes through any point of the l ...

in a hypothetical atom, potential energy beteen electron and proton at distance 'r' is given by ( ke2/4r3 ) where k is constant . suppose bohr model is valid and n is principal quatum number , then total energy is proportion ...

multi correct A neutron collides head on with a stationary hydrogen atom in ground state.Which of the following are correct( take mass of neutron ≈ hydrogen) A) if kinetic energy of neutron is less than 13.6 eV , collision ...