Question 1 Report
In which of the following device in the expansion of solid is a disadvantages?I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer
III only
II & III only
I only
II, III & IV only
Answer Details
Simple pendulum does not depend on thermal expansion
Five alarms, Thermostat and Bimetallic thermometer are application of thermal expansion of solid