Time for number of atoms to be reduced to one half
Wave-nature of a particle
Electron diffraction
Particulate nature of electromagnetic radiation
Photoelectric effect
Wavelength of a particle which have momentum or motion
Maximum energy of emitted electrons depends on frequency
Maximum energy of emitted electrons doesn`t dependent on intensity
Rate of emission of electrons dependents on intensity at constant frequency
Emissions of electron from the metal surface when electromagnetic radiation is incident on the surface
Packet of energy of electromagnetic radiation
Radiation defection (activity != count rate)
Absorption in air before detector
Background radiation
Self-absorption in source
It is not sensitive in all directions
A radioactive nucleus is an unstable nucleus that emits EM radiation randomly and spontaneously
Probability of decay of a nucleus per unit time
Why Beta particles have range of energies
Emitted beta particle has to share the energy of the disintegration with the emitted antineutrino
Emission of particle by unstable nucleus that emit EM spontaneously
Minimum energy required to separate the nucleons to infinity
Time at which a nucleus will decay cannot be predicted
Decay of a nucleus not affected by environmental factors
Difference between mass of nucleus and mass of nucleons, where nucleons are separated to infinity
Minimum energy required for an electron to leave surface
How photon model of EM accounts for this phenomenon
Photons are packets of energy
Energy of photons depends on frequency
Electrons can only absorb a single photon
Emission only possible if photon energy is at least the work function
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