A beam of unpolarised light of wavelength and power is incident normally on a linear…
PHYSICS · Multi-part · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter
Problem
A beam of unpolarised light of wavelength 400nm and power 5.0mW is incident normally on a linear polariser whose transmission axis is oriented at 45∘ to a reference axis. Immediately after the polariser a clean sodium surface (work function 2.2eV) is placed perpendicular to the beam. A photosensitive ammeter connected to the sodium surface measures the photocurrent produced.
(a) (i) –
(b) (ii) –
(c) (iii) –
(d) (iv)(1) –
(e) (iv)(2) –