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 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 Water in the pipes freezes and on freezing water expands, so pipes break None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear Black Deep red White Blue Black Deep red White Blue ANSWER DOWNLOAD EXAMIANS APP
Physics No current will flow between two charged bodies if they have the same Charge/ potential ratio Charge Potential Resistance Charge/ potential ratio Charge Potential Resistance ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Depends upon the metal Decreases Increases Unchanged Depends upon the metal Decreases Increases Unchanged ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Mass Both (A) and (B) Buoyancy Gravity Mass Both (A) and (B) Buoyancy Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
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