Physics For a ray of light to suffer total internal reflection it has to pass from : Air to glass Water to glass Air to water Glass to water Air to glass Water to glass Air to water Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? Hydro-electric generators Solar power plants Batteries All of these Hydro-electric generators Solar power plants Batteries All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A man jumping out of a moving train is thrown None of these Sideways Forward Backward None of these Sideways Forward Backward ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km 3.3 km, 0.30 km 2.2 km, 0.20 km 1.8 km, 0.15 km 2.8 km, 0.25 km 3.3 km, 0.30 km 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 wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same: Momentum Kinetic energy Velocity Acceleration Momentum Kinetic energy Velocity Acceleration ANSWER DOWNLOAD EXAMIANS APP
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