Physics The frequency used in TV and radar system lies in HF VHF UHF SHF HF VHF UHF SHF ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Potential energy Angular momentum Force Linear momentum Potential energy Angular momentum Force Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Transpiration Diffusion Photosynthesis Osmosis Transpiration Diffusion Photosynthesis Osmosis ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes R/2 3R/4 5R/4 2R R/2 3R/4 5R/4 2R ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Become 4 times Is also doubled Becomes 1/4 th Becomes half Become 4 times Is also doubled Becomes 1/4 th Becomes half ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP
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