Physics Which of these is true of all simple machines? Work input > work output Both A & B None of these These make work easier Work input > work output Both A & B None of these These make work easier ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Concave Plano-concave None of these Convex Concave Plano-concave None of these Convex ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Conduction Radiation Reflection Convection Conduction Radiation Reflection Convection ANSWER DOWNLOAD EXAMIANS APP
Physics Sprayer functions on Floatation principle Pascal's law Bernouli's principle Archemede's principle Floatation principle Pascal's law Bernouli's principle Archemede's principle ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Steel Nichrome Tungsten Brass Steel Nichrome Tungsten Brass ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.5 1.2 2 1 1.5 1.2 2 1 ANSWER DOWNLOAD EXAMIANS APP