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 Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina ANSWER DOWNLOAD EXAMIANS APP
Physics The amount of matter in a ball of steel is its : Density Weight Mass Volume Density Weight Mass Volume ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used to split white light into different colours ? Concave lens Convex lens Glass slab Prism Concave lens Convex lens Glass slab Prism ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of energy in MKS system is Erg Ohm Joule Volt Erg Ohm Joule Volt ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics When the milk is churned vigorously the cream from it is separated out due to Centripetal force Frictional force Gravitational force Centrifugal force Centripetal force Frictional force Gravitational force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
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