Name the device used to connect computers for communication via telephone lines..
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Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?
In which of the following situations is mechanical energy most likely to be conserved?
Special Drawing Rights were created by
Who among the following is the executive head of state in India?
___________ gases absorb long wave (infrared) radiation from the earth and emit it again towards the earth.
Atomic Number of Hydrogen is _______.
_____ is the most ductile metal.