A rod of length 20 cm is made of metal A. It expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal B having the same length expands by 0.045 A rod of length 20 cm is made of metal A. It expands by 0.075 cm when its temperature is raised from 0 C to 100 C. Another rod of a different metal B having the same length expands by 0.045 October 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related