Physics A star appears twinkling in the sky because of Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere Scattering of light by atmosphere Reflection of light by atmosphere Diffraction of light by atmosphere Refraction of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Solids Liquids Vaccum Gases Solids Liquids Vaccum Gases ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Galileo Johannes Kepler Copernicus Martin Luther Galileo Johannes Kepler Copernicus Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Polarization Interference Scattering Diffraction Polarization Interference Scattering Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics What factors contribute to global winds? Convection Cells All of these Coriolis Effect Uneven warming of the earth by the sun Convection Cells All of these Coriolis Effect Uneven warming of the earth by the sun ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is indicated by the colour of a star ? Distance Temperature Weight Size Distance Temperature Weight Size ANSWER DOWNLOAD EXAMIANS APP