Question

Mercury thermometers are increasingly being replaced by digital, which of the following is not a reason for this?

• A. Mercury is toxic.
• B. Mercury is difficult to dispose off in case it leaks.
• C. Digital thermometers are easier to read than mercury thermometers.
• D. Digital thermometers are much more accurate.

Answer 1

The correct option is D Digital thermometers are much more accurate.

Digital thermometers are preferred over mercury thermometers because of a number of reasons. Mercury is a toxic substance and is very difficult to dispose if a thermometer breaks. Moreover digital thermometers are easier to read than mercury thermometers. The accuracy of both the thermometers are nearly same.