Physics In which of the following cases, kinetic energy is being used in performing work ? 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 Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics An object that has kinetic energy must be At rest Falling At an elevated position Moving At rest Falling At an elevated position Moving ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following uses a Non Renewable Energy Source? Nuclear Power Plant Tidal Power Plant Wind Mill Power Plant Hydro Electric Plant Nuclear Power Plant Tidal Power Plant Wind Mill Power Plant Hydro Electric Plant ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Surface tension Upward thrust due to air Viscous force exerted by air Air current Surface tension Upward thrust due to air Viscous force exerted by air Air current ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension ANSWER DOWNLOAD EXAMIANS APP