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 Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina ANSWER DOWNLOAD EXAMIANS APP
Physics The Law of Kepler is related with which among the following ? Planetary Motion Law of Gravitation Law of Conservation of energy None Planetary Motion Law of Gravitation Law of Conservation of energy None ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output Both A & B None of these These make work easier Work input > work output Both A & B None of these These make work easier ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Helium Lithium Hydrogen Oxygen Helium Lithium Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Candela Meter Mole Kelvin Candela Meter Mole Kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics When a body falls from an aeroplane, there is increase in its Potential energy Mass Kinetic energy Acceleration Potential energy Mass Kinetic energy Acceleration ANSWER DOWNLOAD EXAMIANS APP