Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They use less oxygen They have extra air sacs They fly inactively Their lungs are very large They use less oxygen They have extra air sacs They fly inactively Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics A storm is predicted if atmospheric pressure Falls gradually Rises gradually Rises suddenly Falls suddenly Falls gradually Rises gradually Rises suddenly Falls suddenly ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Both Only the glass tube Only the capillary tube Neither Both Only the glass tube Only the capillary tube Neither ANSWER DOWNLOAD EXAMIANS APP
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 Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 1.4 km/s 140 m/s 0.14 m/s 14 m/s 1.4 km/s 140 m/s 0.14 m/s 14 m/s ANSWER DOWNLOAD EXAMIANS APP
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