Physics Why does the sea appear blue in colour? Refraction of the sun light Scattering of the sunlight by water molecules Interference of the sun light from water surface Reflection of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Interference of the sun light from water surface Reflection of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Rough white Shining white Rough black Shining black Rough white Shining white Rough black Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics The filament of electric bulb is made up of : Copper Lead Tungsten Nichrome Copper Lead Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Speed Frequency Wavelength Amplitude Speed Frequency Wavelength Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics The cooling by a desert Cooler is based on: Hot air replacement Air Rehydration Evaporative Cooling Air dehydration Hot air replacement Air Rehydration Evaporative Cooling Air dehydration ANSWER DOWNLOAD EXAMIANS APP
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