Meaning of Lambda Point Refrigerator in Urdu

lambda پوائنٹ رِفْرِيجَرِيٹَر - ایک آلہ ہے

A lambda point refrigerator is a device used to cool liquid helium, typically around a superconducting magnet or for low temperature measurements, from approximately 4.2 K to temperatures near the lambda point of helium (approximately 2.17 K), the temperature at which normal fluid helium (helium I) transitions to the superfluid helium II.