Physics In severe winter, in cold countries water pipes burst because Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure Combined effect of all the above three Water expands on freezing Contraction of water pipes High atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Air, water and iron Iron, air and water Iron, water and air Water, iron and air Air, water and iron Iron, air and water Iron, water and air ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Rectifiers None of these Amplifiers Oscillators Rectifiers None of these Amplifiers Oscillators ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with non-uniform velocity and uniform acceleration Velocity – Time graph is linear Displacement – Time graph is non-linear Velocity – Time graph is nonlinear Displacement – Time graph is linear Velocity – Time graph is linear Displacement – Time graph is non-linear Velocity – Time graph is nonlinear Displacement – Time graph is linear ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics An object covers distance which is directly proportional to the square of the time. Its accelaration is Zero Decreasing Constant Increasing Zero Decreasing Constant Increasing ANSWER DOWNLOAD EXAMIANS APP