8. A glass plate is partly dipped vertically in the mercury and the angle of contact is measured. If the plate is inclined, then the angle of contact will
(a) Increase
(b) Remain unchanged
(c) Increase or decrease
(d) Decrease
Ans. b
(7)
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(a) – 5 J (b) – 10 J (c) – 15 J (d) – 20 J Answer-a (126)