Physics The increasing order of the refractive index of certain materials is (left to right) ________ Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt Rock Salt, Ice, Benzene, Kerosene Rocksalt, Benzene, Kerosene, Ice Ice, Kerosene, Benzene, Rock Salt Kerosene, Ice, Benzene, Rock Salt ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper is lighter than iron Copper can take higher power than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is the fundamental quantity ? Force Time Velocity Volume Force Time Velocity Volume 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 intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives Of higher intensity when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher pitch when train arrives ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when The amplitude of a wave exceeds its wavelength Two waves overlap A wave reflects upon itself The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength Two waves overlap A wave reflects upon itself The speed of the wave is zero or near zero ANSWER DOWNLOAD EXAMIANS APP
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