Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks None of these Frost makes the pipes rusty, so they break Water in the pipes freezes and on freezing water expands, so pipes break The material of which pipes are made contracts due to cold and so breaks None of these Frost makes the pipes rusty, so they break Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Halved Doubled Increased by a factor 2 Decreased by a factor 2 Halved Doubled Increased by a factor 2 Decreased by a factor 2 ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave the Theory of Relativity? Galileo Galilei Archimedes Isaac Newton Albert Einstein Galileo Galilei Archimedes Isaac Newton Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics What is unit of Astronomical distance ? Lux Light year Angstrom Weber Lux Light year Angstrom Weber ANSWER DOWNLOAD EXAMIANS APP
Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the area of cross-section of wire It is directly proportional to the length of wire It depends on material of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Flywheel is an important part of a steam engine because it : Gives strength to the engine Accelerates the speed of the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform Gives strength to the engine Accelerates the speed of the engine Decreases the moment of inertia Helps the engine in keeping the speed uniform ANSWER DOWNLOAD EXAMIANS APP
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