Physics An oil drop spreads over water because Oil is more viscous Oil does not mix with water water has a higher surface tension Oil is lighter than water Oil is more viscous Oil does not mix with water water has a higher surface tension Oil is lighter than water ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel Mercury is a semisolid Of the surface tension of mercury Of the high viscosity of mercury The density of mercury is greater than that of steel ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer high resistance to the flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer minimum resistance to flow of electric current ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Stratosphere Ionosphere Exosphere Mesosphere Stratosphere Ionosphere Exosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Illumination Interference Reflection Refraction Illumination Interference Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes The mass number of the nucleus changes whereas its atomic number does not change Neither the mass number nor the atomic number of the nucleus changes Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes ANSWER DOWNLOAD EXAMIANS APP