Pick up the correct statement from the following:
(A) The minimum frequency of light for which no electrons are emitted, is called threshold
frequency
(B) Polarising angle of glass is 57.5°
(C) At the polarising angle, the reflected and refracted rays are orthogonal
(D) All the above
(A) The minimum frequency of light for which no electrons are emitted, is called threshold
frequency
(B) Polarising angle of glass is 57.5°
(C) At the polarising angle, the reflected and refracted rays are orthogonal
(D) All the above