Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics The first law of thermodynamics is simply the case of Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling Charle's law The law of conservation of energy The law of heat exchange Newton's law of cooling ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Atmospheric pressure Radius Temperature Distance Atmospheric pressure Radius Temperature Distance ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . Gravitational force between train and man Pressure difference due to fast moving air in between Illusion of the man The centripetal force Gravitational force between train and man Pressure difference due to fast moving air in between Illusion of the man The centripetal force ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Air current Upward thrust due to air Viscous force exerted by air Surface tension Air current Upward thrust due to air Viscous force exerted by air Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is correct about the properties of Gravitational Forces? They are the strongest forces in nature Both a and b They observe inverse square law None They are the strongest forces in nature Both a and b They observe inverse square law None ANSWER DOWNLOAD EXAMIANS APP