1.If work done by the system is 300 J300\,\text{J}300J when 100 cal100\,\text{cal}100cal heat is supplied to it, the change in internal energy during the process isa.−200 J-200\,\text{J}−200Jb.400 J400\,\text{J}400Jc.720 J720\,\text{J}720Jd.120 J120\,\text{J}120JLogin to continueOnly logged in users canattempt or see the solution.