What would happen if the path difference between interfering beams `(S_2P-S_1P)` becomes very large?

Difference between S_N1 and S_N2 reaction ?

What is the difference between an ordinary p-n junction diode and a Zener diode?

What happens when Acidified KMnO_4 reacts with H_2S ?

A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12cm from P. At what point does the beam converge if the lens is: a convex lens of focal length 20cm?

A beam of light converges at a point P. Now a lens is placed in the path of the convergent beam 12cm from P. At what point does thebeam converge if the lens is: a concave lens of focal length 16cm?

Light from a sodium lamp(S) passes through two Polaroid sheets P_1 and P_2 as shown in the figure. What will be the effect of the intensity of the light transmitted by P_1 and by P_2 on rotating Polaroid P_1 about the direction of propagation of light? justify your answer in both cases.

A point source S emitting light of wavelength 600 nm is placed at a very small height h above a flat reflecting surface AB [Fig.6.07].The intensity of the reflected light is 36% of the incident intensity.Interfrerence fringes are observed on a screen placed parallel to the reflecting surface at a very large distance D from it. If the intensity t pint P corresponds to a maximum,calculate the minimum distance through which the reflecting surface AB sould be shifted so that the intensity at P again becomes maximum.

What will be the oxidation number of S in SO_2Cl_2 and of P in Ca_3P_2?