Physics Stars appear twinkling because of ......... of light. Emission Scattering Absorption Reflection Emission Scattering Absorption Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals plastics have a lower density than metals metals are good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The direction of heat flow between two objects depends on Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state Their masses Their temperatures Their heat contents Whether they are in solid, liquid or gaseous state ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Micro waves Gama rays X-rays Radio waves Micro waves Gama rays X-rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo Martin Luther ANSWER DOWNLOAD EXAMIANS APP
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