Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to its shape Due to surface tension The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to its shape Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Isaac Newton J.J Thompson Albert Einstein J.C. Bose Isaac Newton J.J Thompson Albert Einstein J.C. Bose ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Protons Electrons Ions Holes Protons Electrons Ions Holes ANSWER DOWNLOAD EXAMIANS APP
Physics When an electric bulb breaks, there is an explosive sound. That is due to None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb None of these The air outside rushing in to fill the vacuum inside the bulb The compressed gases inside rushing out suddenly The chemical reaction between the gases inside the bulb ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a common first indicator of an approaching thunderstorm? Lightning Too hot A buildup of dark clouds Heavy wind Lightning Too hot A buildup of dark clouds Heavy wind ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Helps the engine in keeping the speed uniform Decreases the moment of inertia Accelerates the speed of the engine Gives strength to the engine Helps the engine in keeping the speed uniform Decreases the moment of inertia Accelerates the speed of the engine Gives strength to the engine ANSWER DOWNLOAD EXAMIANS APP
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