Physics Echo is heard due to Reflection Refraction Scattering Interference Reflection Refraction Scattering Interference ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to The chemical reaction between the gases inside the bulb None of these The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb The chemical reaction between the gases inside the bulb None of these The compressed gases inside rushing out suddenly The air outside rushing in to fill the vacuum inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cooker Solar heater Battery Solar cell panel Solar cooker Solar heater Battery Solar cell panel ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Germanium Boron Antimony Phosphorus Germanium Boron Antimony Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because All of these It forms smaller image as compared with object It forms erect (upright) image It forms real image All of these It forms smaller image as compared with object It forms erect (upright) image It forms real image ANSWER DOWNLOAD EXAMIANS APP
Physics The earth is a Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat ANSWER DOWNLOAD EXAMIANS APP
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