Physics A star appears twinkling in the sky because of 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 Diffraction of light by atmosphere Scattering of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomenon is responsible for the echo of sound wave? Interference Refraction Polarisation Reflection Interference Refraction Polarisation Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of magnetic permeability is Weber/meter Henry Henry/meter Weber Weber/meter Henry Henry/meter Weber ANSWER DOWNLOAD EXAMIANS APP
Physics The oil in the wick of lamp rises due to Pheonomenon of capillarity Pressure difference Low viscosity of oil Force of cohesion Pheonomenon of capillarity Pressure difference Low viscosity of oil Force of cohesion ANSWER DOWNLOAD EXAMIANS APP
Physics Addition of suitable impurities into semiconductor, is called Mixing Forming Diluting Doping Mixing Forming Diluting Doping ANSWER DOWNLOAD EXAMIANS APP