Physics Danger signals are generally red as red light Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye Is least bright Undergoes least deviation Has lowest velocity Gives comfort to eye ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Carnot-cycle Diesel-cycle Otto-cycle Boyle's-cycle Carnot-cycle Diesel-cycle Otto-cycle Boyle's-cycle 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 2R R/2 5R/4 3R/4 2R R/2 5R/4 3R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C 7C C/7 C 14C 7C C/7 C ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is converted into chemical energy during Photosynthesis Diffusion Transpiration Osmosis Photosynthesis Diffusion Transpiration Osmosis ANSWER DOWNLOAD EXAMIANS APP
Physics In the remote control of television, electromagnetic waves used are Infrared Radiowave Microwave Ultraviolet Infrared Radiowave Microwave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
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