Physics The height of a geo-stationary satellite from the Earth's surface is approximately : None of these 36,000 km 42,000 km 30,000 km None of these 36,000 km 42,000 km 30,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 200J 20 J 40J 400J 200J 20 J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength at which the peak of intensity of blackbody radiation occurs Does not follow any pattern as temperature changes Is the same at all temperatures Decreases with increase in temperature Increases with increase in temperature Does not follow any pattern as temperature changes Is the same at all temperatures Decreases with increase in temperature Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No work is done on it No acceleration is produced in it No force acts on it Its velocity remains constant No work is done on it No acceleration is produced in it No force acts on it Its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Wind and solar energy are examples of Limited Renewable Non renewable Unsustainable Limited Renewable Non renewable Unsustainable ANSWER DOWNLOAD EXAMIANS APP
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