Chapter 11: Dual Nature of Radiation and Matter

Dual nature means:

Davisson-Germer experiment proved:

If mass increases, λ:

Heavy objects don’t show wave nature because:

λ inversely proportional to:

de Broglie hypothesis applies to:

Electron shows:

Momentum increases → wavelength:

Wave nature is significant for:

de Broglie wavelength is:

Work function depends on:

If light intensity increases:

If KE = 0, frequency =

Planck’s constant unit is:

If work function increases:

Photon energy depends on:

If frequency doubles, KE:

If stopping potential is 3V, KE =

If λ increases, energy:

If hf = 5 eV and φ = 2 eV, KE =

Slope of KE vs frequency graph gives:

Photoelectric current becomes zero at:

Threshold frequency is:

Stopping potential is related to KE by:

Maximum KE is:

Einstein equation is:

No emission occurs if:

If frequency increases:

If intensity doubles:

Stopping potential depends on:

Increasing intensity increases:

Intercept on frequency axis gives:

KE vs frequency graph is:

Photocurrent vs intensity graph is:

Photoelectric emission is instantaneous because:

Stopping potential is:

Work function is denoted by:

Cut-off wavelength is:

Photon momentum is:

Photon has:

Maximum kinetic energy depends on:

Photocurrent depends on:

If frequency < threshold frequency:

Threshold frequency depends on:

Energy of photon is:

Einstein explained photoelectric effect using:

Photoelectric effect was discovered by:

Unit of work function is:

Minimum energy required to remove electron is:

Photoelectric effect is the emission of electrons when: