When ultraviolet radiation is incident on a surface, no photoelectrons are emitted. If another beam causes photoelectrons to be emitted from the surface, it may consist of (i) radio waves (ii) infrared rays (iii) X-rays (iv) gamma rays it may consist of (i) radio waves (ii) infrared rays (iii) X-rays (iv) gamma rays no photoelectrons are emitted. If another beam causes photoelectrons to be emitted from the surface When ultraviolet radiation is incident on a surface June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 11 - Photoelectric Effect , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related