Physics Surface tension in a liquid is due to : Electrical force between molecules. Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules Electrical force between molecules. Cohesive force between molecules Adhesive force betweenmolecules Gravitational force between molecules ANSWER DOWNLOAD EXAMIANS APP
Physics A particle is thrown vertically upward. When it reaches the highest point, it has A horizontal velocity A downward acceleration An upward acceleration A downward velocity A horizontal velocity A downward acceleration An upward acceleration A downward velocity ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb explodes on the moon. You will hear its sound on earth after ________ 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion 3.7 hours 20 minutes 2 hours 20 minutes You cannot hear the sound of explosion ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Damped vibrations Forced vibrations Reflection Refraction Damped vibrations Forced vibrations Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of gravity Dead centre Centre of motion Centre of mass Centre of gravity Dead centre Centre of motion Centre of mass ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals metals have higher thermal capacity than plastics plastics have a higher thermal conductivity than metals metals are good conductor of heat plastics have a lower density than metals metals have higher thermal capacity than plastics ANSWER DOWNLOAD EXAMIANS APP
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