EASY
12th Uttar Pradesh Board
IMPORTANT
Earn 100

Derive the equation of the balanced state in a Wheatstone bridge using Kirchhoff’s laws.

Important Questions on Sample Paper 1
EASY
12th Uttar Pradesh Board
IMPORTANT

EASY
12th Uttar Pradesh Board
IMPORTANT
A ray PQ is incident normally on the face AB of a triangular prism of refracting angle as shown in the figure. The prism is made of a transparent material of refractive index . Trace the path of the ray as it passes through the prism. Calculate the angle of emergence and the angle of deviation.

EASY
12th Uttar Pradesh Board
IMPORTANT

EASY
12th Uttar Pradesh Board
IMPORTANT
(i) A ray of light incident on face AB of an equilateral glass prism, shows minimum deviation of . Calculate the speed of the light through the prism.
(ii) Find the angle of incidence at face AB so that the emergent ray grazes along the face AC.
