Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Fourth power of the semi-major axis Square of the semi-major axis Cube of the semi-major axis Semi-major axis Fourth power of the semi-major axis Square of the semi-major axis Cube of the semi-major axis Semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Bend towards right Bend towards left Remain straight None of these Bend towards right Bend towards left Remain straight ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by The battery Compressing air in the cylinders An electrical spark Using heat from exhaust The battery Compressing air in the cylinders An electrical spark Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity Average velocity - initial velocity 2 x average velocity + initial velocity 2 x average velocity - initial velocity Average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be A parabola A vertical straight line A horizontal straight line A circle A parabola A vertical straight line A horizontal straight line A circle ANSWER DOWNLOAD EXAMIANS APP
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