Physics A star appears twinkling in the sky because of Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated Does not change Increases May increase of decrease depending on pressure Decreases Does not change Increases May increase of decrease depending on pressure Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Reflection Interference Polarisation Diffraction Reflection Interference Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light Interference of light Reflection by hot ground Total internal reflection by layers of air Diffraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic hydrogen has a life period of A fraction of a second One hour One minute One day A fraction of a second One hour One minute One day ANSWER DOWNLOAD EXAMIANS APP
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