Physics Magnetic keepers are used to protect magnets from : Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets Earth's magnetic field Self-demagnetization Demagnetization due to heating Effect of other magnets ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction Dispersion of light Total internal reflection Atmospheric reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Raise his hands up Bring his hands together Sit down with raised hands Spread his hands outwards Raise his hands up Bring his hands together Sit down with raised hands Spread his hands outwards ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following branch of Physics deal with study of Atomic Nuclei? None of these Atomic Physics Bio Physics Nuclear Physics None of these Atomic Physics Bio Physics Nuclear Physics ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light Refraction of light only Total internal reflection of light only Dispersion of light only Refraction and total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
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