Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays The infra-red rays G-rays The ultraviolet rays X-rays The infra-red rays G-rays The ultraviolet rays 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 sina Pcosq cosa Psinq cosa Pcosq sina Psinq sina Pcosq cosa Psinq cosa Pcosq sina ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of 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 Newton's law of cooling Charle's law ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it None of these There is more friction between the ice and feer Ice is soft when compared to concrete There is very little friction between the ice and feet pressing it None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide There is no conduction band The forbidden energy gap is very narrow The valence band and the conduction band overlap each other The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because These provide some sunlight in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide cross ventilation in the room These provide some sunlight in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide cross ventilation in the room ANSWER DOWNLOAD EXAMIANS APP