Rochelle salts are used Mechanical Measurements Mcqs February 15, 2019 BILAL KHATTAK0 A.For colour identification B.For photography C.For polarisation D.As piezoelectric crystals E.As dectors of gamma raysRelated Mcqs:Longest wavelengthWhich of the following has least wave-length?Ionisation chamber can be used for the detection of all of the following EXCEPTNon-lonizing radiations with specific biological effects are ________________.Scintillation counter can detectGeiger Muller counter can detectIn radiography test on castings which of the following rays are never used?Select the correct statement.Recrystallistion temperature is oneWhich of the following ray has least wavelength?