Calculate the work done by the force of gravity when a satellite moves in an orbit of radius 40,000 km around the earth.
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His greatest achievement in the field of religious reform was the setting up of the Brahmo Sabha and the Brahmo Samaj. Who is he?
ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?
Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is
Who was the first Indian to win the 52nd Capablanca Memorial Chess tournament at at Cuba?
Headquarters of Inland Waterways Authority of India (IWAI) is in
Which of the following metals is found in free state?
Which of the following metals is a liquid at room temperature?