Physics Who among the following discovered X-rays? W.C Roentgen Marie Curie J.J Thomson James Chadwick W.C Roentgen Marie Curie J.J Thomson James Chadwick 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 cosa Psinq sina Pcosq cosa Pcosq sina Psinq cosa Psinq sina Pcosq cosa Pcosq sina 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 a vehicle passes, TV reception gets distorted. This is because Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Metal reflects radiowaves Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Modern vehicles use electroignition system Metal reflects radiowaves ANSWER DOWNLOAD EXAMIANS APP
Physics The Laser is a beam of radiations which are Non-coherent and monochromatic Coherent and non-monochromatic Non-coherent and non-monochromatic Coherent and monochromatic Non-coherent and monochromatic Coherent and non-monochromatic Non-coherent and non-monochromatic Coherent and monochromatic ANSWER DOWNLOAD EXAMIANS APP
Physics A wave with high amplitude have Low energy Low pitch High pitch High energy Low energy Low pitch High pitch High energy ANSWER DOWNLOAD EXAMIANS APP
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