If and where exists, then is continuous on

The value of f (0) so that the function is continuous at  is

For such questions, we should know formula for different limits.

Light of two different frequencies whose photons have energies and respectively, successively illuminates a metal of work function . The ratio of maximum kinetic energy of the emitted electron will be

4 eV is the energy of the incident photon and the work function in What is the stopping potential

The work functions for sodium and copper are and . Which of them is suitable for a photocell with 4000 light

When yellow light is incident on a surface, no electrons are emitted while green light can emit. If red light is incident on the surface, then

As the intensity of incident light increases

The work function of a photoelectric material is 3.3 eV. The threshold frequency will be equal to

When light falls on a metal surface, the maximum kinetic energy of the emitted photo-electrons depends upon

f(x)= , the value of ‘a’ so that f is continuous function is

The energy of a photon of light with wavelength 5000 is approximately 2.5 eV. This way the energy of an X-ray photon with wavelength 1would be

The energy of a photon of wavelength is given by

The de-Broglie wavelength of a neutron at 27°C is . What will be its wavelength at 927°C

A photon, an electron and a uranium nucleus all have the same wavelength. The one with the most energy

When cathode rays (tube voltage 10 kV) collide with the anode of high atomic weight then we get

The quantum number not obtained from the Schrodinger’s wave equation is