The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is
A. $$\frac{1}{{\sqrt 2 }}$$
B. $$\frac{1}{2}$$
C. $$1$$
D. $$\sqrt 2 $$
Answer: Option B
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In this question they are given the ratio of the normal force of jet of water on a plate inclined at an angle of 30° Because value of sin 30° = 1/2.
CAN ANY ONE EXPLAIN