If a glass prism is dipped in water, its dispersive power (a) increases (b) decreases

Hint— No. Bending will be different in different liquids since velocity of light at the interface separating two media depends on the relative refractive index of the medium.

No. Bending will be different in different liquids since velocity of light at the interface separating two media depends on the relative refractive index of the medium. A substance having...

(d) Condensation of atmospheric water vapour

Due to the formation of a layer of oxide, i.e ., Al2O3 it becomes less reactive.

(a) increases if the average refractive index increases

(d) refractive index of the monitorial of the prism

(c) Longitudinal chromatic aberration = ωf = 0.08 × 20 = 1.6 cm

(d) The state of the rod does not change after steady state is reached.

Angle of incidence i = (A + δm)/2 Concept : i + e = A + δ But at minimum angle of deviation, i = e

(d) Initially at start of heating from 0°C to 4°C there will be a contraction as a result of which volume decreases. On further heating beyond 4°C to 10°C the...