Physics Why do birds not have respiratory trouble at the time of flying at high altitude ? They fly inactively They use less oxygen They have extra air sacs Their lungs are very large They fly inactively They use less oxygen They have extra air sacs Their lungs are very large ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 365 days 30 days 24 hours Changing continuously 365 days 30 days 24 hours Changing continuously ANSWER DOWNLOAD EXAMIANS APP
Physics When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance ? Four times Half Two times One-fourth Four times Half Two times One-fourth ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised Only the ends of the bar get magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised The entire bulk of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Decreases Double Same Increases Decreases Double Same Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following metals is used for the manufacture of heating elements provided in electric iron ? Chromium Tungsten Nichrome Nickel Chromium Tungsten Nichrome Nickel ANSWER DOWNLOAD EXAMIANS APP
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