In a photoemissive cell, with exciting wavelength `lambda`, the faster electron has speed v. If the exciting wavelength is changed to `3lambda//4`, the speed of the fastest electron will be

In a photoelectric experiment, with light of wavelength lambda , the fastest election has speed v. If the exciting wavelength is changed to (3lambda)/4 , the speed of the fastest emitted electron will become

In a photoelectric experiment, with light of wavelength lamda , the fastest electron has speed v. If the exciting wavelength is changed to 5lamda/4 , the speed of the fastest emitted electron will become

In a photo-emissive cell, with exciting wavelength lambda , the maximum kinetic energy of electron is K. If the exciting wavelength is changed to ( 3 lambda)/( 4) the kinetic energy of the fastest emitted electron will be :

In a photo-emissive cell, with exciting wavelength lambda_1 , the maximum kinetic energy of electron is K. If the exciting wavelength is changed to lambda_2 , the maximum kinetic energy of electron is 2K then

In a photo-emissive cell, with exciting wavelength lambda_1 , the maximum kinetic energy of electron is K. If the exciting wavelength is changed to lambda_2 , the maximum kinetic energy of electron is 2K then

In a photomissive cell with executing wavelength lamda//2 , work function phi , the fastest moving electron has acquired speed as v. If the executing wavelength is changed to (5lamda)/4 , the speed of the fastest emitted electron will be

Radiation of wavelength lambda is incident on a photocell.The fastest emitted electron has speed v.If wavelength is changed to (3lambda)/(4) the speed of the fastest emitted electron will be

Radiation of wavelength lambda in indent on a photocell . The fastest emitted electron has speed v if the wavelength is changed to (3 lambda)/(4) , then speed of the fastest emitted electron will be