Physics Copper wires are generally used for electrical power transmission instead of iron wire because : 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 Copper is cheaper than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics At hill stations, the boiling point of water will be Same as at sea level Less than that at sea level More than that at sea level Equal to the melting point of ice Same as at sea level Less than that at sea level More than that at sea level Equal to the melting point of ice ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.69 0.63 0.73 0.68 0.69 0.63 0.73 0.68 ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours Refract light of different colours Reflect lights of different colours Dispense light into component colours Transmit or absorb light of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal density Equal mass Equal volume Equal weight Equal density Equal mass Equal volume Equal weight ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Boyle's Law Surface tension Gravitational force Viscosity Boyle's Law Surface tension Gravitational force Viscosity ANSWER DOWNLOAD EXAMIANS APP
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