Physics What is the minimum distance (in metres) required to hear an echo? 17 13 10 21 17 13 10 21 ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Centrifugal force Viscous forces Gravitational force Frictional force Centrifugal force Viscous forces Gravitational force Frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion Has a very low specific heat Has high temperature coefficient of expansion Is a bad conductor of heat so only inner surface expands Has low temperature coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Water is used in car radiator because of its Low boiling point High specific heat capacity Low density Easy availability Low boiling point High specific heat capacity Low density Easy availability ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Slow down neutron Increase speed of neutron Increase temperature Absorb neutron Slow down neutron Increase speed of neutron Increase temperature Absorb neutron ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To go fast and save fuel. To ensure smooth running. To allow the vehicle to take more load. To avoid skidding and to minimise friction To go fast and save fuel. To ensure smooth running. To allow the vehicle to take more load. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
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