Physics A star appears twinkling in the sky because of Diffraction of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted. Shining white Rough black Rough white Shining black Shining white Rough black Rough white Shining black ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Viscosity Adhesive force Surface energy Surface tension Viscosity Adhesive force Surface energy Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Rainbow Halo Mirage Earthshine Rainbow Halo Mirage Earthshine ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P P > P 2P < P P > P 2P ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Kinetic energy Chemical potential energy Electrical potential energy Gravitational potential energy Kinetic energy Chemical potential energy Electrical potential energy Gravitational potential energy ANSWER DOWNLOAD EXAMIANS APP
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