Physics The device used for measuring the wavelength of X-rays is Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these branches of Physics deal with heat and temperature and their relation to energy and work? Atomic Physics Mechanics Thermodynamics Geophysics Atomic Physics Mechanics Thermodynamics Geophysics ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Increases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Decreases with decrease of temperature Increases with decrease of temperature Does not depend on temperature Decreases with increase of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 0.1 MeV 10 MeV 1 MeV 100 MeV 0.1 MeV 10 MeV 1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Heinrich Hertz Thomas Alva Edison John Logie Baird James Clerk Maxwell Heinrich Hertz Thomas Alva Edison John Logie Baird James Clerk Maxwell ANSWER DOWNLOAD EXAMIANS APP
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