Physics The redness in atmosphere at Sunrise and Sunset is due to : Refraction of light Dispersion of light Reflection of light Scattering of light Refraction of light Dispersion of light Reflection of light Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics The energy emitted by the Sun is due to Nuclear fusion Chemical reaction All of these Nuclear fission Nuclear fusion Chemical reaction All of these Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics Least audible sound for most of the human ear is : 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar 0.005 µ bar 5.0 µ bar 0.0002 µ bar 10.0 µ bar ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 30 J 40 J 20 J 50 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It is a good conductor It is economical It is malleable It has a very high melting point It is a good conductor It is economical It is malleable It has a very high melting point ANSWER DOWNLOAD EXAMIANS APP
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