Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper is cheaper than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Infrared region Ultraviolet region Microwave region Visible region Infrared region Ultraviolet region Microwave region Visible region ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Heat Light Electromagnetic Sound Heat Light Electromagnetic Sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour is the complementary colour of yellow ? Red Blue Green Orange Red Blue Green Orange ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Disk Sphere Depends on their masses Both reach at the same time Disk Sphere Depends on their masses Both reach at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics A nuclear reactor is said to have become 'critical' when It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion It starts emitting dangerous radioactive radiations It stops due to malfunctioning It is ready to produce controlled energy It is shut down to avoid explosion ANSWER DOWNLOAD EXAMIANS APP
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