44. A rectangular vessel when full of water takes 10 minutes to be emptied through an orifice in its bottom. How much time will it take to be emptied when half filled with water
(a) 9 minute (b) 7 minute
(c) 5 minute (d) 3 minute
Answer-b
(4)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (123)