Physics Outside of cooking utensils are generally left black from below because Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a poor conductor of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ? 2 metres 1 metre 4 metres 3 metres 2 metres 1 metre 4 metres 3 metres ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.052777777777778 0.044444444444444 0.084027777777778 0.16736111111111 0.052777777777778 0.044444444444444 0.084027777777778 0.16736111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is the greatest in : Air Glycerine Water Glass Air Glycerine Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Height of the liquid column Surface area of the bottom of the vessel Acceleration due to gravity at the bottom of the vessel Density of the liquid Height of the liquid column Surface area of the bottom of the vessel Acceleration due to gravity at the bottom of the vessel Density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Decreases with decrease in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with increase in velocity. Decreases with decrease in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
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