Physics A television channel is characterised by Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ No option is correct Refraction Propagation Diffraction No option is correct Refraction Propagation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 80 db Above 120 db Above 30 db Above 50 db Above 80 db Above 120 db Above 30 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Air gap is created between the two surfaces Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Centripetal Force Nuclear Force Electromagnetic Force Gravitational Force Centripetal Force Nuclear Force Electromagnetic Force Gravitational Force ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photoelectrons Electrons Protons Photons Photoelectrons Electrons Protons Photons ANSWER DOWNLOAD EXAMIANS APP
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