Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Of variable refractive index 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light will be minimum while passing through Water Glass Air Vaccum Water Glass Air Vaccum ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Romer Einstein Galileo Newton Romer Einstein Galileo Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Cosmic rays reach eyes more during the eclipse Ultraviolet radiations from Sun burn our retina Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes ANSWER DOWNLOAD EXAMIANS APP
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