Physics Why is it difficult to breathe at higher altitudes? Due to high humidity Due to low air pressure Due to ozone Due to low temperature Due to high humidity Due to low air pressure Due to ozone Due to low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 24 36 12 50 24 36 12 50 ANSWER DOWNLOAD EXAMIANS APP
Physics The spokes used in the wheel of a bicycle increase its Moment of inertia Acceleration Velocity Momentum Moment of inertia Acceleration Velocity Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used? Plane Concave Cylindrical Convex Plane Concave Cylindrical Convex ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12638888888889 0.12777777777778 0.20902777777778 0.21111111111111 0.12638888888889 0.12777777777778 0.20902777777778 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics Dioptre is the unit of Sound intensity Focal length of a lens Light intensity Power of a lens Sound intensity Focal length of a lens Light intensity Power of a lens ANSWER DOWNLOAD EXAMIANS APP