Reflection of Sound Apparatus demonstrates that angle of incidence and reflection are equal for any setting. Iprotector is screen printed on a superior quality laminated board. It incorporates a protector printed on a wooden board and two independent arms containing 12” long stainless steel pipes. One arm is set at any arbitrary angle and other is adjusted till one listens to the maximum sound. At the position of maximum sound to angles will be equal as indicating by the “D” reading.
Amtech India's REsistance Box are used in Varoius Physics Experiments & Apparatus .These Resistance Box consists of Thick Brass Block approx. 12 mm, non inductive, double covered Eureka Constantan Wire in Wound on Bakelite Spool,enclosed in a teak Wood Box . Accuracy +/- 0.1 %
Amtech India's Joules Calorimeter Consists of a copper calorimeter of 50x75 mm size with outer vessel of well-polished wood fitted with Bakelite top with hole for thermometer and stirrer. Two terminals are connected to coil of wire for passing current *ALSO WITH COPPER CALORIMETER OF 75x100 mm SIZE.
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