Physics The unit of electrical power is Kilowatt hour Watt Bolt Ampere Kilowatt hour Watt Bolt Ampere ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 10 cm 15 cm 20 cm 5 cm 10 cm 15 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction To increase friction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Mirage Rainbow Halo Earthshine Mirage Rainbow Halo Earthshine ANSWER DOWNLOAD EXAMIANS APP