Dual Nature of Matter and Radiation

When indensity of radiation is increased on a photosensitive plate, then

When indensity of radiation is increased on a photosensitive plate, then Options (a) The kinetic energy of photoelectrons increases (b)…

The electrons are emitted in the photoelectric effect from a metal surface

The electrons are emitted in the photoelectric effect from a metal surface Options (a) Only if the temperature of the…

The work function of metals is in the range of 2 eV to 5 eV.

The work function of metals is in the range of 2 eV to 5 eV. Find which of the following…

When a light beam of frequency v is incident on a metal surface,

When a light beam of frequency v is incident on a metal surface, photoelectrons are emitted. If these electrons describe…

Photons with energy 5eV are incident on a cathode C in a photoelectric cell.

Photons with energy 5eV are incident on a cathode C in a photoelectric cell. The maximum energy of emitted photoelectrons…

When a metallic surface is illuminated with radiation of wavelength λ,

When a metallic surface is illuminated with radiation of wavelength λ, the stopping potential is V. If the same surface…

The de-Broglie wavelength associated with an electron accelerated by a potential

The de-Broglie wavelength associated with an electron accelerated by a potential of 64 V is Options (a) 0.153 nm (b)…

Consider two particles of different masses. In which of the following situations

Consider two particles of different masses. In which of the following situations the heavier of the two particles will have…

The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric

The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric effect for aluminium will be Options (a)…

The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength

The velocity of radio-waves is 3x10⁵ km/s. The frequency corresponding to wavelength of 300 m is Options (a) 1 MHz…