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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 | Ranjita asks : Line L has intercepts a & b on the co-ordinate axes. when the axes are rotated through a given angle, keeping the origin fixed, the same line L has intercepts p & q then which of the foll. is true?... a)a2 + b2 = p2 = q2 b)1/a2 + 1/b2 = 1/p2 = 1/q2 c)a2 + p2 = b2 = q2 d)1/a2 = 1/p2 = 1/b2 = 1/q2 |
Report | Ranjita asks : a particle is moving in circular motion with constant speed v.find the change in magnitude of its velocity after it has covered an angle of 60 degree. |
Report | Saksham asks : if fisherman sees a fish horizontally at an angle of 45 degree than at which angle he should throw the spear to kill it ? your options A at 45degree B <45 degree c >45 degree d none |
Report | Burhan raza asks : A cyclist goes round a circular path of circumference 34.3m in √22 sec(square root 22 sec).The Angle made by him vertical is:{MH-CET 2000} 1)42° 2)43° 3)44° 4)45° |
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