Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) A photosensitive metallic surface has work function, hv0 .If photons of energy `2hv_0` fall on this surface, the electrons come out with a maximum velocity of `4xx10^6` m/s .When the photon energy is increased to `5hv_0` ,then maximukm velocity of photoelectrons will be - Sarthaks eConnect

A photosensitive metallic surface has work function, hv0 .If photons of energy `2hv_0` fall on this surface, the electrons come out with a maximum velocity of `4xx10^6` m/s .When the photon energy is increased to `5hv_0` ,then maximukm velocity of photoelectrons will be

A photosensitive metallic surface has work function, hv0 .If photons of energy `2hv_0` fall on this surface, the electrons come out with a maximum velocity of `4xx10^6` m/s .When the photon energy is increased to `5hv_0` ,then maximukm velocity of photoelectrons will be

A.

`2xx10^7` m/ s

B.

`2xx10^6` m/ s

C.

`8xx10^5` m/ s

D.

`8xx10^6` m/ s