Physics In a Carnot engine when heat is taken from the source, its temperature Decreases Remains constant Decreases and then remains constant Increases Decreases Remains constant Decreases and then remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 20 J 0.2 J 500 J 5 J 20 J 0.2 J 500 J 5 J ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Virtual image Inverted image Erect image Real image Virtual image Inverted image Erect image Real image ANSWER DOWNLOAD EXAMIANS APP
Physics Sound cannot pass through Air Water Steel Vacuum Air Water Steel Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 3 5 7 6 3 5 7 6 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Nichrome Chromium Tungsten Nickel Nichrome Chromium Tungsten Nickel ANSWER DOWNLOAD EXAMIANS APP
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