Physics Speed of sound is the greatest in : Air Glycerine Glass Water Air Glycerine Glass Water ANSWER DOWNLOAD EXAMIANS APP
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 R/2 3R/4 5R/4 2R R/2 3R/4 5R/4 2R ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 0.1 MeV 1 MeV 10 MeV 100 MeV 0.1 MeV 1 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the metals has the maximum thermal conductivity? Copper Silver Aluminium Iron Copper Silver Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Becomes double Becomes half Remains the same Becomes zero Becomes double Becomes half Remains the same Becomes zero ANSWER DOWNLOAD EXAMIANS APP
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