Advertisements
Advertisements
Question
Two iron rods – one 10 m long and the other 5 m long, are heated to the same rise in temperature. Which will expand more?
Advertisements
Solution
Lt – L0 ∝ L0
∴ The rod having greater length will expand more when rods are heated to the same temperature.
∴ Rod with 10 m length will expand more.
APPEARS IN
RELATED QUESTIONS
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
100 ml of each of the following liquid is heated from 10°C to 50°C. Which will expand more : (a) water (b) benzene (c) alcohol?
What is the velocity of thermal radiations?
What are the different types of thermal expansions?
Complete the following sentence:
When ice melts its volume ______ and density _______.
If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.
Analogy:
Ordinary glass:: Glass tumbler.
Pyrex glass:: ______.
When we cool the liquid it will become ______.
When the vibrations move from one molecule to another molecule heat will flow.
