Physics Water pipes in hilly areas often burst on a cold frosty night, because Water in the pipes freezes and on freezing water expands, so pipes break None of these The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break Water in the pipes freezes and on freezing water expands, so pipes break None of these The material of which pipes are made contracts due to cold and so breaks Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Speed Time Distance Velocity Speed Time Distance Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Fourth power of the semi-major axis Cube of the semi-major axis Semi-major axis Square of the semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis Semi-major axis Square of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Disk Depends on their masses Sphere Both reach at the same time Disk Depends on their masses Sphere Both reach at the same time ANSWER DOWNLOAD EXAMIANS APP
Physics Gravitational force is maximum at which place Tropic of capricorn Tropic of cancer Equator Poles Tropic of capricorn Tropic of cancer Equator Poles ANSWER DOWNLOAD EXAMIANS APP
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