Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Carbon dioxide Nitrogen Sulphur dioxide Ozone Carbon dioxide Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Physics Safety fuse wire used in domestic electrical appliances is made of metal of low Resistance Melting point Conductance Specific gravity Resistance Melting point Conductance Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 40 4000 80 2000 40 4000 80 2000 ANSWER DOWNLOAD EXAMIANS APP
Physics Boyle's law is a relationship between Pressure and volume Volume and temperature Volume and density Pressure and temperature Pressure and volume Volume and temperature Volume and density Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics Why two thin shirts can keep us warmer than a single thick shirt in winter ? Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place Two thin shirts become thicker so prevent transmission of heat Air layer between two shirts behaves like insulating media Air layer between two shirts works as good conductor No radiation of heat takes place ANSWER DOWNLOAD EXAMIANS APP
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