Physics An optically plane surface reflects a beam of light As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction As a parallel beam in one direction As diffused beams in all directions As parallel beams in all directions As a diffused beam in one direction ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Radioactivity Artificial radioactivity Nuclear fusion Nuclear fission Radioactivity Artificial radioactivity Nuclear fusion Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Four times Double Half One–fourth Four times Double Half One–fourth ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of sky is due to Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of longer wavelengths of sunlight in the atmosphere Scattering of shorter wavelengths of sunlight in the atmosphere Refraction of sunlight Reflection of sunlight Scattering of longer wavelengths of sunlight in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Chemical energy Heat energy Electrical energy Potential energy Chemical energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics In spherical polar coordinates (l, q, a), q denotes the polar angle around z-axis and a denotes the azimuthal angle raised from x-axis . Then the y-component of P is given by Pcosq cosa Psinq sina Psinq cosa Pcosq sina Pcosq cosa Psinq sina Psinq cosa Pcosq sina ANSWER DOWNLOAD EXAMIANS APP
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