Physics A small drop of oil spreads over water because : Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity Water has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Oil has a higher viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by An electrical spark Compressing air in the cylinders The battery Using heat from exhaust An electrical spark Compressing air in the cylinders The battery Using heat from exhaust ANSWER DOWNLOAD EXAMIANS APP
Physics The spring constant of a spring depends on its Length and its diameter Thickness, its diameter and its material Material only Length only Length and its diameter Thickness, its diameter and its material Material only Length only ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of energy Conservation of mass Conservation of charge Conservation of momentum Conservation of energy Conservation of mass Conservation of charge Conservation of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R 4 R/5 R/5 5 R/4 5 R 4 R/5 R/5 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Particles replaces there places Means of photons All of these Collide each other Particles replaces there places Means of photons All of these ANSWER DOWNLOAD EXAMIANS APP
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