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 Which of the following is not caused by atmospheric refraction of light ? Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is Sun appearing red at sunset Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing higher in the sky than it actually is Sun appearing red at sunset Twinkling of stars at night ANSWER DOWNLOAD EXAMIANS APP
Physics Pitot tube is used to measure Dynamic pressure Static pressure Velocity at stagnation point Stagnation pressure Dynamic pressure Static pressure Velocity at stagnation point Stagnation pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit for measuring work and energy is Farad Watt Ohm Joule Farad Watt Ohm Joule ANSWER DOWNLOAD EXAMIANS APP
Physics The working of the quartz crystal in the watch is based on the Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect Photoelectric Effect Edison Effect Piezo - electric Effect Johnson Effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Visible radiation X-ray radiation Ultraviolet radiation Infrared radiation Visible radiation X-ray radiation Ultraviolet radiation Infrared radiation ANSWER DOWNLOAD EXAMIANS APP