In Searle s apparatus we have two wires During experiment we

Last updated: 6/10/2023

In Searle s apparatus we have two wires During experiment we study the extension in one wire The use of second wire is A to support the apparatus because it is heavy and may not break single wire B to compensate the changes in length caused by changes in temperature of atmosphere during experimentation C to keep the apparatus in level so that extension is measured accurately D all the three above