Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. Hooke's Law Faraday's Law The coulomb's law First law of thermodynamics Hooke's Law Faraday's Law The coulomb's law First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Physics What is the principle of a ''Life Jacket"? The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person The person can sit on it like a raft It increases the volume of the person to keep him afloat It decreases the volume of the person to keep him afloat It provides oxygen to a drowning person ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The surface of ice is smooth The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water Ice is cold The surface of ice is smooth ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Interference of the sun light from water surface Reflection of the sun light from water surface Refraction of the sun light Scattering of the sunlight by water molecules Interference of the sun light from water surface Reflection of the sun light from water surface Refraction of the sun light ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray G-ray Ultraviolet ray Infrared ray X-ray G-ray Ultraviolet ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
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