A ray of light travelling in glass is incident at a horizontal glass-air interface at the critical angle C. Now, a thin layer of water is placed on the interface. If the refracted ray in water makes an angle i with the normal to the glass-water interface, then what is the value of i? (Given refractive indices: ng = 32, nw = 43)

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?

Which of the following events is considered the immediate trigger for the launch of the Non-Cooperation Movement by Mahatma Gandhi?