For photoelectric emission from certain metal the cutoff frequency is ν. If radiation of frequency - Смотреть видео или скачать видео в MP4, музыку MP3 на телефон или компьютер
Q For photoelectric emission from certain metal the cutoff frequency is ν. If radiation of frequency 2ν impinges on the metal plate, the maximum possible velocity of the emitted electron will be (m is the electron mass) -
a. √(hv/((2m) )) b. √(hv/m) c. √(2hv/m) d. 2√(hv/m)