Physics Bubbles of air rise up through liquids due to Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence Up thrust and surface tension Air current over the liquid and buoyancy Viscosity and buoyancy Surface tension and adherence ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a good conductor of heat but a bad conductor of electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity ANSWER DOWNLOAD EXAMIANS APP
Physics On which principle does the hydraulic lift works? Archimedes's law Newton's law Joule's law Pascal's law Archimedes's law Newton's law Joule's law Pascal's law ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Isochoric compression and rarefaction Adiabatic compression and rarefaction Isothermal compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction Adiabatic compression and rarefaction Isothermal compression and rarefaction Isobaric compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Fact that spacecraft in the orbit has no energy Presence of gravity outside but not inside the spacecraft Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP