Physics Woollen cloth protects the body from cold because It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It reflects heat ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Impulse Momentum Force Catching time Impulse Momentum Force Catching time ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Pascal's law Newton's law Thomson's law Bernoulli's theorem Pascal's law Newton's law Thomson's law Bernoulli's theorem ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to glass Glass to water Glass to air Water to air Water to glass Glass to water Glass to air Water to air ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Infrared Radio frequency Satellite Microwave Infrared Radio frequency Satellite Microwave ANSWER DOWNLOAD EXAMIANS APP