Physics Optical fibre works on the interference scattering principle of refraction total internal reflection interference scattering principle of refraction total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs The same in both cases in all respects Of higher pitch when train arrives Of higher intensity when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher pitch when train arrives Of higher intensity when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics Mud houses are cooler in summers and warmer in winters as compared to brick houses because Mud is a poor insulator Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor Mud is a bad conductor Mud is a poor insulator Evaporation of water causes cooling in summers and sunlight coming through holes causes warming in winters Mud is a good conductor Mud is a bad conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Holes Protons Ions Electrons Holes Protons Ions Electrons ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Charge Resistance Charge/ potential ratio Potential Charge Resistance Charge/ potential ratio Potential 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
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