Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron Copper can take higher power than iron Copper is a better conductor of electricity than iron Copper is cheaper than iron Copper is lighter than iron ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by Spectrometer Sonometer P – n junction diode Cathode ray oscilloscope Spectrometer Sonometer P – n junction diode Cathode ray oscilloscope ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will None of these Fall behind him Fall in front of him Fall into his hand None of these Fall behind him Fall in front of him Fall into his hand ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays can cause Gene mutation Burning Fever Sneezing Gene mutation Burning Fever Sneezing ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement depends on gravitational force? Weight Height All of these Mass Weight Height All of these Mass ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP
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