Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics Lamberts law is related to Illumination Reflection Refraction Interference Illumination Reflection Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Thermal Expansion Evaporation Convection Revolution Thermal Expansion Evaporation Convection Revolution ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Galvanic cell Photovoltaic cell Daniell cell Electrochemical cell Galvanic cell Photovoltaic cell Daniell cell Electrochemical cell ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Steel can be saved Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
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