Physics The energy obtained from atoms is known as ________ Solar energy Chemical energy Heat energy Nuclear energy Solar energy Chemical energy Heat energy Nuclear energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a non-dimensional quantity? Strain Plank's constant Co-efficient of viscocity Gas constant Strain Plank's constant Co-efficient of viscocity Gas constant ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Amplitude Velocity Frequency Wavelength Amplitude Velocity Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron absorption Atomic emission Electron emission Atomic absorption Electron absorption Atomic emission Electron emission Atomic absorption ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 200J 400J 40J 20 J 200J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In a straight line In all directions Heating the medium through which it passes With the speed of light In a straight line In all directions Heating the medium through which it passes With the speed of light ANSWER DOWNLOAD EXAMIANS APP