The work function of a substance is `4.0 eV ` The longest wavwlength of light that can cause photoelectron emission from this substance is approximately

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately:

The work funciton of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately

The work functio of a substance is 4.0 eV . The longest wavelength of light that can cause photoelectron emission form this substance is approximately :

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately equal to

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately. (a) 540 nm (b ) 400nm (c ) 310 nm (d) 220 nm

The work function of a substance is 4.0 eV . The longest wavelength of light that can cause photo electron emission from this substance is approximately. (a) 540 nm (b ) 400nm (c ) 310 nm (d) 220 nm

The work function of a substance is 12.4 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately