Physics The blue colour of water in the sea is due to Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules ANSWER DOWNLOAD EXAMIANS APP
Physics While ascending a hill, the driver of the vehicle keeps the gear ratio Either equal to or greater than 1 Greater than 1 Equal to 1 Less than 1 Either equal to or greater than 1 Greater than 1 Equal to 1 Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because 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 It rediates heat better than metals It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates No change The liquid cools The liquid boils The liquid evaporates No change The liquid cools The liquid boils ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the correct sequence of passage of light in a compound microscope? Condenser -Objective lens -Body tube -Eyepiece Objective lens -Condenser -Body tube -Eye piece Eyepiece -Objective lens -Body tube -Mirror Condenser -Objective lens -Eye -piece -Body tube Condenser -Objective lens -Body tube -Eyepiece Objective lens -Condenser -Body tube -Eye piece Eyepiece -Objective lens -Body tube -Mirror Condenser -Objective lens -Eye -piece -Body tube 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. 4000 2000 80 40 4000 2000 80 40 ANSWER DOWNLOAD EXAMIANS APP
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