Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It rediates heat better than metals It reflects sun's rays It retains the heat inside by the green house effect It absorbs sun's rays It rediates heat better than metals It reflects sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body around a circular path is an example of Uniform velocity, variable acceleration Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity Uniform velocity, variable acceleration Uniform speed, uniform velocity Uniform speed, variable acceleration Uniform speed, variable velocity ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ozone Ammonia Carbon dioxide Chlorine Ozone Ammonia ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Osmosis Photosynthesis Transpiration Diffusion Osmosis Photosynthesis Transpiration Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers Oscillators Amplifiers None of these Rectifiers Oscillators Amplifiers None of these ANSWER DOWNLOAD EXAMIANS APP
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