Bihar Board Class 12 (BSEB) Wave Optics — practice questions
13 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Bihar Board Class 12 (BSEB) Wave Optics in the app →In Young's double slit, $\lambda = 600$ nm, slit separation $d = 0.5$ mm, screen distance $D = 1$ m. Fringe wiIn single-slit diffraction with $\lambda = 500$ nm and slit width $a = 0.1$ mm, the angular position of the fiPolaroid sunglasses reduce glare from a wet road most effectively because:Light passes from air to glass ($n = 1.5$). Brewster's angle is:HUYGENS' PRINCIPLE states that every point on a wavefront acts as a:For two light sources to produce STABLE INTERFERENCE FRINGES, they must be:In Young's double-slit experiment, the fringe width β is given by:In Young's experiment, a BRIGHT fringe (constructive interference) requires path difference = ?In single-slit diffraction, the central maximum is:Polarisation of light is direct experimental evidence that light is a:BREWSTER'S LAW for the polarising angle θ_B relates to the refractive index n as:By Malus's law, if plane-polarised light of intensity I_0 passes through a polariser oriented at 60° to the poThe resolving power (RP) of a diffraction grating with N slits in the m-th order is: