Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It provides oxygen to a drowning person It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat The person can sit on it like a raft It provides oxygen to a drowning person It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Scattering of light Total internal reflection Total internal absorption Optical rotation Scattering of light Total internal reflection Total internal absorption Optical rotation ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Alpha rays Gamma rays Beta rays None of these Alpha rays Gamma rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a non renewable source of energy ? Coal Biogas Wind Solar Coal Biogas Wind Solar ANSWER DOWNLOAD EXAMIANS APP
Physics A current carrying conductor is associated with An electro-magnetic field A magnetic field An electrostatic field An electric field An electro-magnetic field A magnetic field An electrostatic field An electric field ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Infra-red rays Gamma rays Beta rays Ultraviolet rays Infra-red rays Gamma rays Beta rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
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