Physics For a freely falling body, the sum of kinetic energy and potential energy is always Zero Unity Variable Same Zero Unity Variable Same ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is the rate of change of Velocity Jerk Speed Jounce Velocity Jerk Speed Jounce ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics An instrument that records earthquakes is Ergograph Thermograph Seismograph Ediograph Ergograph Thermograph Seismograph Ediograph ANSWER DOWNLOAD EXAMIANS APP
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