Physics Which one of the following animals can hear ultrasonic sound ? Cat Rat Bat Squirrel Cat Rat Bat Squirrel ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules Collide each other Means of photons Particles replaces there places All of these Collide each other Means of photons Particles replaces there places All of these ANSWER DOWNLOAD EXAMIANS APP
Physics Sprayer functions on Pascal's law Archemede's principle Bernouli's principle Floatation principle Pascal's law Archemede's principle Bernouli's principle Floatation principle ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity ANSWER DOWNLOAD EXAMIANS APP