Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R R/2 3R/4 5R/4 2R R/2 3R/4 5R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Refraction Reflection Interference Scattering Refraction Reflection Interference Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of G-ray X-ray Ultraviolet ray Infrared ray G-ray X-ray Ultraviolet ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point The surface of ice is smooth Ice is cold The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The pressure on the ice due to skate raises its melting point The surface of ice is smooth ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave the Theory of Relativity? Archimedes Isaac Newton Galileo Galilei Albert Einstein Archimedes Isaac Newton Galileo Galilei Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics Ampere second could be the unit of Energy Charge Conductance Power Energy Charge Conductance Power ANSWER DOWNLOAD EXAMIANS APP
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