A metal surface is exposed to solar radiations. Which of the following is true?

Solar radiation heat up

A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 xx 10^(14) Hz. The velocity of ejected electron is ____ xx 10^5 ms^(-1) . (Nearest integer)

An EM wave of intensity 'I' falls on a surface kept in vacuum and exerts radiation pressure p on it. Which of the following are true?

Solar radiation is an example of

Solar radiation is an example of