Question

give reasons :-
a) clinical thermometers cannot be used in labs .
b) digital thermometers are preferred over mercury thermometer

Answer 1

b.if Mercury thermometer is broken then it is very difficult to collect the Mercury fallen on ground and it is very harmful substance

Answer 2

A]a clinical thermometer is used to measure body temp....hence,its made with material that can handle only body temp. only.laboratory thermometers are used to know extreme low or high temp.it cant measure human's temp because of its wide rangeB]Regular digital thermometers use electronic heat sensors to record body temperature. These thermometers can be used in the rectum, mouth or armpit. Armpit temperatures are usually the least accurate. ... Don't use the same thermometer in both places.