Physics The least penetrating power ray is None of these Beta rays Gamma rays Alpha rays None of these Beta rays Gamma rays Alpha rays ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Ammonia Nitrogen Oxygen Freon Ammonia Nitrogen Oxygen Freon ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m Kg/m2 Kg/m3 It has no unit Kg/m Kg/m2 Kg/m3 It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper can take higher power than iron Copper is lighter than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Radiowave Infrared Ultraviolet Millimeter wave Radiowave Infrared Ultraviolet Millimeter wave ANSWER DOWNLOAD EXAMIANS APP
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