#physics laboratory

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Step into the world of scientific discovery at Mata Nand Kaur Public School's state-of-the-art chemistry laboratory. Designed to ignite curiosity and foster hands-on learning, our laboratory provides students with a dynamic environment to explore the fascinating principles of chemistry.

Cryopump on a sputter system. Cryopumps are a common type of high vacuum pump. They operate by condensing or freezing gases in the vacuum chamber onto an array that is typically cooled down to 10-12 kelvin. Compressed helium gas enters a chamber below the condenser array, where a piston (the displacer) allows the gas to expand, removing heat from the system. The piston then pushes the helium out and back into a compressor, and the cycle repeats. The displacer and compressor in a cryopump make a distinctive rhythmic high pitched whistle that is a common sound in clean rooms and condensed matter physics labs.