Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 25 W Neither 100 W Both 25 W Neither 100 W ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Potential energy Force Linear momentum Angular momentum Potential energy Force Linear momentum Angular momentum ANSWER DOWNLOAD EXAMIANS APP
Physics The point where total mass of a body is supposed to be concentrated is known as Centre of mass Centre of motion Dead centre Centre of gravity Centre of mass Centre of motion Dead centre Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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 : (3/4)f (7/3)f (4/3)f F (3/4)f (7/3)f (4/3)f F ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Does not change Becomes infinite Decreases Increases Does not change Becomes infinite Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
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