The energy of incident photons increases

The frequency of incident light increases

The wavelength of the incident light increases

The intensity of the incident light increases

${10^{16}}$

${10^{15}}$

${10^{18}}$

${10^{17}}$

$1.6 imes {10^{ - 17}}$ J

$1.6 imes {10^{ - 14}}$ J

$1.6 imes {10^{ - 10}}$ J

$1.6 imes {10^{ - 8}}$ J

$3 imes {10^{ - 21}}$

$3.2 imes {10^{ - 19}}$

$3 imes {10^{ - 17}}$

$3 imes {10^{ - 15}}$

No electrons are emitted

Photons are emitted

Electrons of higher energy are emitted

Electrons of lower energy are emitted

Velocity of emitted photoelectron decreases

Velocity of emitted photoelectron increases

Velocity of photoelectron do not change

Photo electric current increases

$1.24 imes {10^{15}}$Hz

$2.4 imes {10^{20}}$Hz

$1.24 imes {10^{18}}$Hz

$2.4 imes {10^{24}}$Hz

$3{\rm{ }}:{\rm{ }}8$

$2{\rm{ }}:{\rm{ }}9$

$8{\rm{ }}:{\rm{ }}3$

$9{\rm{ }}:{\rm{ }}2$

Convex lenses

Magnetic field

Electric potential

All of these

Photons and neutral atoms/molecules

Neutral gas atoms/molecules

Positive ions and neutral atoms/molecules

Negative electrons and neutral atoms/molecules

Photo-current increases

Photo-current decreases

Kinetic energy of emitted photoelectrons increases

Kinetic energy of emitted photoelectrons decreases