Physics Optical fiber works on the principle of Interference Total internal reflection Scattering Refraction Interference Total internal reflection Scattering Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth Reflect back the heat given by earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Absorb heat from the atmosphere send it towards earth ANSWER DOWNLOAD EXAMIANS APP
Physics Fish and other aquatic creatures can live inside a deep frozen pond because There will always be water just beneath the ice level They can adapt themselves to live in ice Ice is a bad conductor of heat Fish are cold-blooded animals There will always be water just beneath the ice level They can adapt themselves to live in ice Ice is a bad conductor of heat Fish are cold-blooded animals ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 1.5 1 2 1.2 1.5 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 11.25 diopters 3.75 diopters -3.75 diopters -11.25 diopters 11.25 diopters 3.75 diopters -3.75 diopters -11.25 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibres are based on the phenomenon of Interference Diffraction Total Internal Reflection Dispersion Interference Diffraction Total Internal Reflection Dispersion ANSWER DOWNLOAD EXAMIANS APP
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