Physics The earth is a Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Good reflector of heat Non-absorber of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Deflection and advection Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Latent heat of condensation Deflection and advection Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Latent heat of condensation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is arranged in order of decreasing conductivity? Copper, Aluminium, Steel, Silver Copper, Silver, Aluminium, Steel Aluminium, Silver, Copper, Steel Silver, Copper, Aluminium, Steel Copper, Aluminium, Steel, Silver Copper, Silver, Aluminium, Steel Aluminium, Silver, Copper, Steel Silver, Copper, Aluminium, Steel ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are binaries asteroids novas and supernovas quasars binaries asteroids novas and supernovas quasars ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Non-magnetic Diamagnetic Paramagnetic Ferromagnetic Non-magnetic Diamagnetic Paramagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved ANSWER DOWNLOAD EXAMIANS APP