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 ) 200J 400J 40J 20 J 200J 400J 40J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on which of the following principle of light? Diffraction Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.052777777777778 0.044444444444444 0.16736111111111 0.084027777777778 0.052777777777778 0.044444444444444 0.16736111111111 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Scattering Emission Reflection Absorption Scattering Emission Reflection Absorption ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit for measuring work and energy is Farad Joule Ohm Watt Farad Joule Ohm Watt ANSWER DOWNLOAD EXAMIANS APP
Physics When a strong beam of light is passed through a colloidal solution, the light will Pass unchanged Be reflected Be absorbed Be scattered Pass unchanged Be reflected Be absorbed Be scattered ANSWER DOWNLOAD EXAMIANS APP
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