Dual Nature of Matter and Radiation questions
494 published questions with worked solutions.
- If the frequency of incident radiation (v) is increased, keeping other factors constant, the stopping potential (v > v_0,...
- If the potential difference used to accelerate electrons is doubled. By what factor does the de-Broglie wavelength ( ) associated...
- The kinetic energy of an electron is tripled, then the de-Broglie wavelength associated with it, will change by a factor
- Threshold frequency for a metal is 15 10^ 14 Hz. The light of wavelength 6000 Å falls on the metal surface. [velocity of...
- The maximum velocity of the photoelectron emitted by the metal surface is 'V'. Charge and mass of the photoelectron is denoted by...
- When an electron is accelerated through a potential difference 'V', the de-Broglie wavelength associated with it is '4 '. When...
- When light of wavelength is incident on a photosensitive surface the stopping potential is 'V'. When light of wavelength 3 is...
- Dual nature of light is exhibited by
- Light of frequency 1.5 times the threshold frequency is incident on photosensitive material. If the frequency is halved and...
- The de-Broglie wave length ( ) of a particle is related to its kinetic energy (E) as
- In photoelectric effect experiment, if the frequency of incident radiation (v) is increased, keeping all other factors constant,...
- When a metallic surface is illuminated with a radiation of wavelength ' ', the stopping potential is 'V' the same surface is...
- When the electron orbiting in hydrogen atom in its ground state moves to the third excited state, the de-Broglie wavelength...
- Light of wavelength ' ' which is less than threshold wavelength is incident on a photosensitive material. If incident wavelength...
- Two photons having energies twice and thrice the work function of metal surface are incident one after another on the metal...
- Electrons are accelerated through a potential difference of 16 KV. If the potential difference is increased to 64 KV, then...
- A photoemissive substance is illuminated with a radiation of wavelength _i so that it releases electrons with de-Broglie...
- When a light of wavelength ' ' falls on the emitter of a photosensitive surface, maximum speed of emitted photoelectrons is 'V'...
- For a photosensitive material, work function is 'W_0' and stopping potential is 'V'. The wavelength of the incident radiation is...
- Kinetic energy of a proton is equal to energy E of a photon. Let ' _1' be the de-Broglie wavelength of proton and ' _2' be the...
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