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प्रश्न
The increase in length of a metal rod depends on
पर्याय
the initial length of the rod only
the rise in temperature only
the material of rod only
all the above three factors.
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उत्तर
all the above three factors.
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संबंधित प्रश्न
Two identical rods of copper are heated to different temperatures — one by 5°C and the other by 10°C. Which rod will expand more?
Describe an experiment to show that same volume of different liquids heated to same rise in temperature expand by different amounts.
Give scientific reason.
The telephone wires which sag in summer become straight in winter.
What are the different types of thermal expansions?
Distinguish between a clinical and a laboratory thermometer.
Thermal expansion is always a nuisance.
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:: ______.
