Question

3-A red filter was placed in front of a prism. A beam of white light was then shone onto the
prism through the filter. Predict what would happen
A-only red light will enter the prism
B-white light will enter the prism but only red light will emerge from it
C-Only red light will enter the prism and white light will emerge from it
D-White light will enter and emerge from the prism​

Answer 1

Explanation:

A battery of e.m.f 15 V and internal resistance 3 ohm is connected to two resistors of resistances 3 ohm and 6 ohm in series. The p.d between the terminals of the battery is