Physics Which of the following pairs of physical quantities have the same dimensions? Momentum and Power Force and Power Work and Energy Work and Power Momentum and Power Force and Power Work and Energy Work and Power ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water specific heat of mercury is more than water specific heat of mercury is less than water density of mercury is more than the water mercury has greater visibility than water specific heat of mercury is more than water specific heat of mercury is less than water density of mercury is more than the water ANSWER DOWNLOAD EXAMIANS APP
Physics Why is weightlessness experienced while orbiting the earth in space ships ? Zero gravity None of these Inertia Acceleration Zero gravity None of these Inertia Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics It is difficult to cook rice Under a mine At the top of a mountain At the sea level Same anywhere Under a mine At the top of a mountain At the sea level Same anywhere ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C2>C1 C1>C2 C1 = C2 C1pa = C2pg C2>C1 C1>C2 C1 = C2 C1pa = C2pg ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Psinq cosa Psinq sina Pcosq cosa Pcosq sina Psinq cosa Psinq sina Pcosq cosa Pcosq sina ANSWER DOWNLOAD EXAMIANS APP
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