Physics The velocity of the sound is highest in Water Vacuum Air Metal Water Vacuum Air Metal ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with uniform speed The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with an acceleration The lift is going down with uniform speed The lift is going up with uniform speed The lift is going up with an acceleration The lift is going down with an acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 4 T 8 T 2 T 1 T 4 T 8 T 2 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
Physics Pipelines in cold countries often burst in winter, because Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines contract in their volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Total internal reflection Interference Scattering Refraction Total internal reflection Interference Scattering Refraction ANSWER DOWNLOAD EXAMIANS APP
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