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 ) 40J 400J 200J 20 J 40J 400J 200J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics The mass defect is the result of what action occurring? Mass being converted to energy when protons and neutrons bind together in a nucleus Mass being converted to energy when protons and neutrons break apart in a nucleus Energy being converted into moles of atoms when neutrons break apart protons Protons and electrons being attracted to each other Mass being converted to energy when protons and neutrons bind together in a nucleus Mass being converted to energy when protons and neutrons break apart in a nucleus Energy being converted into moles of atoms when neutrons break apart protons Protons and electrons being attracted to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? Scattering Polarization Diffraction Interference Scattering Polarization Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Angular momentum Potential energy Force Linear momentum Angular momentum Potential energy Force Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Tungsten is used for the manufacture of the filament of an electric bulb, because It has a very high melting point It is malleable It is a good conductor It is economical It has a very high melting point It is malleable It is a good conductor It is economical ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is used for sun glasses ? Crystal glass Crooks glass Pyrex glass Flint glass Crystal glass Crooks glass Pyrex glass Flint glass ANSWER DOWNLOAD EXAMIANS APP
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