Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The glass of the bell jar absorbs the sound waves The ringing is not loud enough There is no air or any other gas in the bell jar The bell jar is too small The glass of the bell jar absorbs the sound waves The ringing is not loud enough There is no air or any other gas in the bell jar The bell jar is too small ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour of light shows maximum deviation when passed through a prism ? Red Green Violet White Red Green Violet White ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls By his side Into his hand In front of him Behind him By his side Into his hand In front of him Behind him ANSWER DOWNLOAD EXAMIANS APP
Physics A car parked in the sun with its windows closed gets terribly hot inside. This is due to The good conducting power of the metal body The heat emitted by the engine The greenhouse effect The double layered wind shield The good conducting power of the metal body The heat emitted by the engine The greenhouse effect The double layered wind shield ANSWER DOWNLOAD EXAMIANS APP
Physics What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero? Remains constant None of these Increases exponentially Becomes zero Remains constant None of these Increases exponentially Becomes zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS