Advertisements
Advertisements
Question
One liter of mercury at 100C is heated to 300C. Find the increase in the volume of mercury. The coefficient of cubical expansion of mercury is 1.8 X 10-4 0C-1.
Advertisements
Solution
Volume of mercury, V = 1 liter Rise in temperature, t = 30 - 20 = 20°c Coefficient of volume expansion, y = 1.8 x 10-4°C -1
Increase in volume = V x t x y
= 1 x 20 x 1.8 x 10-4
= 3.6 x 10-3 liter
APPEARS IN
RELATED QUESTIONS
Who is telling the truth?
The temperature of a substance is measured in joules.
Which is more, a calorie or a joule?
Why do telephone wires sag during summer?
State three factors affecting evaporation.
The following figure shows a copper washer. Explain, giving reasons, whether the following characteristics of the washer increase, decrease, or remain the same when it is heated.
(a) Internal diameter
(b) Volume
(c) Mass
(d) Density
(e) External diameter
The hotness of the object is determined by its ______.
Analogy
Ice cube : 0o C :: Boiling water :______
Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.
Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.
Mention the three units which are used to measure the temperature.
What is the minimum possible temperature? Is there also a maximum possible temperature?
