A) \[\sin \theta =\frac{1}{2}\sqrt{{{\rho }_{0}}/\rho }\]
B) \[\sin \theta =\frac{1}{2}\,.\,\frac{{{\rho }_{0}}}{\rho }\]
C) \[\sin \theta =\sqrt{\rho /{{\rho }_{0}}}\]
D) \[\sin \theta ={{\rho }_{0}}/\rho \]
Correct Answer: A
Solution :
Let L = PQ = length of rodYou need to login to perform this action.
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