Advertisements
Advertisements
Question
State one application of thermal expansion of liquids.
Advertisements
Solution
Mercury is a metal found in liquid state. It expands more and uniformly over a wide range of temperature. So mercury is used as thermometric liquid.
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
Heat flows from a body at a high temperature to a body at a low temperature when they are kept in contact.
Write true or false for a given statement.
All solids expand by the same amount when heated to the same rise in temperature.
Write true or false for a given statement.
A mercury thermometer makes use of the property of the expansion of liquids on heating.
Fill in the blank
Still air is an __________ of heat.
Name the instrument used to measure the temperature of a body.
The fig. shows a glass tumbler containing hot milk which is placed in a tub of cold water. State the direction in which heat will flow.
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
Why is a tea kettle provided with an ebonite handle?
What are the land and sea breezes? Explain their formation.
The bottom of a cooking utensil is painted black. Give the reason.
