Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 700 nm 0.07 nm 7 nm 70 nm 700 nm 0.07 nm 7 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz 20 – 20000 Hz 6 – 10 Hz 11 – 20 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Four times Half Two times No change Four times Half Two times No change ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury Sink in mercury Will dissolve in mercury Will be partly immersed mercury Will be on the surface of mercury ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere Circular plate All will cool at the same rate Cube Sphere Circular plate All will cool at the same rate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle At the lower elevation than the bird At a higher elevation than the bird In the same direction as the bird Vertically upwards At the lower elevation than the bird At a higher elevation than the bird In the same direction as the bird Vertically upwards ANSWER DOWNLOAD EXAMIANS APP
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