Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (3/4)f (7/3)f (4/3)f F (3/4)f (7/3)f (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics In quantum mechanics a particle is represented by a Wave Wave packet None of these Particle Wave Wave packet None of these Particle ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of aircraft sound ships spacecraft aircraft sound ships spacecraft ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Ultrasonic Infrasonic Radio Audible sound Ultrasonic Infrasonic Radio Audible sound ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its frequency amplitude wavelength velocity frequency amplitude wavelength velocity ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled ANSWER DOWNLOAD EXAMIANS APP