Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Less than the weight of the man Greater than the weight of the man Zero Same as the weight of the man Less than the weight of the man Greater than the weight of the man Zero Same as the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Solids have definite shapes.This is because The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of adhesion are large The forces of cohesion are very large The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of adhesion are large The forces of cohesion are very large ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies Ahead of his feet To the left side of the body At the centre of the body Behind his feet Ahead of his feet To the left side of the body At the centre of the body Behind his feet ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? Micro waves Frequency of 1016 series M. Radio waves Micro waves Frequency of 1016 series M. Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Propagation No option is correct Diffraction Refraction Propagation No option is correct Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because: density of mercury is greater than that of water. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. density of mercury is greater than that of water. mercury is a metal. cohesion of mercury is greater than its adhesion with glass. cohesion of water is greater than its adhesion with glass. ANSWER DOWNLOAD EXAMIANS APP
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