Which one among the following is not an electromagnetic wave?
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Which instrument is used for measuring humidity of atmosphere?
A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.
Find the position of the image formed by a concave mirror when the object is placed between P and F?
The color with the longest wavelength is
Each color has a different wavelength.
Red has the longest wavelength and violet has the shortest wavelength.
Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds.
The side mirrors of vehicles are of which type of mirrors?
Electrons move around the nucleus in _______ motion.
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