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 5R/4 3R/4 R/2 2R 5R/4 3R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Decreased by a factor 2 Increased by a factor 2 Doubled Halved Decreased by a factor 2 Increased by a factor 2 Doubled Halved ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Reflection of sunlight Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Scattering of longer wavelengths of sunlight in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which law is also called law of inertia ? Newton first law Newton second law All of above Newton third law Newton first law Newton second law All of above Newton third law ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest may have Momentum Velocity Kinetic energy Potential energy Momentum Velocity Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Pieces of camphor placed on water move about rapidly. This is because of Capillarity Diffusion Viscosity Surface tension Capillarity Diffusion Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
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