Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index Homogeneous and transparent Inhomogeneous and transparent Made up of slabs of different refractive indices Of variable refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Vacuum Air Water Steel Vacuum Air Water Steel ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer G.M. Counter Bragg Spectrometer Cyclotron Mass Spectrometer G.M. Counter Bragg Spectrometer Cyclotron ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Solids Liquids Vaccum Gases Solids Liquids Vaccum Gases ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a common first indicator of an approaching thunderstorm? Heavy wind Too hot Lightning A buildup of dark clouds Heavy wind Too hot Lightning A buildup of dark clouds ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Jerk"? Meter second Meter per second square Meter per second Meter per second cube Meter second Meter per second square Meter per second Meter per second cube ANSWER DOWNLOAD EXAMIANS APP
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