Physics When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension Capillarity ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1 2 1.2 1.5 1 2 1.2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Positive Charge Negative Charge Neutral Charge Variable Charge Positive Charge Negative Charge Neutral Charge Variable Charge ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps It will fall down at the same place where the string breaks The ball will travel towards the center of the circle and fall down None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down It will fall down at the same place where the string breaks The ball will travel towards the center of the circle and fall down None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum The initial momentum of the rubber ball is greater than that of the metal ball Both suffer the same change in momentum The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Increase Decrease Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed ANSWER DOWNLOAD EXAMIANS APP