Definition
Report | Reema merin roy asks : capillary tube of radius r is dipped in a liquid of density rho and surface tension T. if the angle of contact is theta, the pressure differencebetween the two surfaces in the beaker and the capillary is A)T/r costheta B)2T/rcostheta C)T/rcostheta D)2T/rcostheta |
Report | Bhakti asks : A metal trunk is 5m long, 2m broad and 3m high. What is its total surface area? Total surface area of cuboid: 2× ( l× b + b× h + h× l ) A) 62 sq m B) 64 sq m C) 48 sq m D) 60 sq m |
Report | Anurag asks : If the diameter of the base of a closed right circular cylinder be equal to its height h,then its whole surface area is? (a) 2*pie*h square (b) 3/2*pie*h square (c) 4/3*pie*h square (d) pie*h square |
Report | Anurag asks : If h,S and V denote respectively the height,curved surface area and volume of a right circular cone,then 3*pie*V*h^3-S^2*h^2+9V^2 is equal to:- (a) 8 (b) 0 (c) 4*pie (d) 32*pie^2 |
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