Physics Sound travels at the fastest speed in vacuum water air steel vacuum water air steel 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 0.2 J 5 J 500 J 20 J 0.2 J 5 J 500 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –273 273 –40 40 –273 273 –40 40 ANSWER DOWNLOAD EXAMIANS APP
Physics For which one of the following does the centre of mass lie outside the body? A ring A book A fountain pen A cricket ball A ring A book A fountain pen A cricket ball ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current Its feet are good insulators It has high resistance The body is earthed It does not form a closed path for the flow of current Its feet are good insulators It has high resistance The body is earthed ANSWER DOWNLOAD EXAMIANS APP
Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to low air pressure Due to high humidity Due to ozone Due to low temperature Due to low air pressure Due to high humidity Due to ozone ANSWER DOWNLOAD EXAMIANS APP
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