Physics Which is evidence that supports the dynamo theory? Convection occurs in Earth's inner core Earth's core contains a large amount of iron Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Earth's core contains a large amount of iron Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of colors Principle of thermal equilibrium Principle of vaporization Principle of calorimetry Principle of colors Principle of thermal equilibrium Principle of vaporization ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Copper Iron Aluminium Silver Copper Iron Aluminium Silver ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? 100 W Neither Both 25 W 100 W Neither Both 25 W ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 0.1 2 4 0.05 0.1 2 4 ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough The acceleration due to gravity in moon is smaller than that on the earth. The moon is cooler than earth The moon has no atmosphere The moon's surface is rough ANSWER DOWNLOAD EXAMIANS APP
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