Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.008 2000 0.016 1000 0.008 2000 0.016 1000 ANSWER DOWNLOAD EXAMIANS APP
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 Capillarity Viscosity Diffusion Surface tension Capillarity Viscosity Diffusion Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Diffraction Interference Reflection Polarisation Diffraction Interference Reflection Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP
Physics The type of mirrors used in the headlamp of cars is Parabolic concave Spherical convex Plane Cylindrical concave Parabolic concave Spherical convex Plane Cylindrical concave ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant Its momentum remains constant ANSWER DOWNLOAD EXAMIANS APP
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