Physics If the velocity of a body is halved its kinetic energy ________ Is also doubled Becomes 1/4 th Becomes half Become 4 times Is also doubled Becomes 1/4 th Becomes half Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Electron emission Electron absorption Atomic absorption Atomic emission Electron emission Electron absorption Atomic absorption Atomic emission ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled the rolling friction is much less than the sliding friction coal tar is a liquid and it flows in the barrel when it is rolled the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Einstein Romer Newton Galileo Einstein Romer Newton Galileo ANSWER DOWNLOAD EXAMIANS APP
Physics On the Kelvin scale, the melting point of ice is 373K 0 K 273K 100K 373K 0 K 273K 100K ANSWER DOWNLOAD EXAMIANS APP
Physics Light beam which is highly directional is called: Laser Eraser Maser Grazer Laser Eraser Maser Grazer ANSWER DOWNLOAD EXAMIANS APP
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