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 cosa Pcosq sina Psinq sina Pcosq cosa Psinq cosa Pcosq sina Psinq sina ANSWER DOWNLOAD EXAMIANS APP
Physics A wheel-barrow is an example of Class II lever Class III lever Pulley system Class I lever Class II lever Class III lever Pulley system Class I lever ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Kerosene Dry air Graphite Paper Kerosene Dry air Graphite Paper ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics The force which makes a vehicle to stop when break is applied is called Vanderwalls force Frictional force Gravitational force Covalant force Vanderwalls force Frictional force Gravitational force Covalant force ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange ANSWER DOWNLOAD EXAMIANS APP
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