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प्रश्न
Select the correct alternative
A thermometer uses
विकल्प
water
mercury
air
none of the above
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उत्तर
mercury
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संबंधित प्रश्न
Define one kilo-calorie of heat.
What will absorb heat?
Iron griddle (tava)
What will absorb heat?
Wax
What will absorb heat?
Glass
When an object is heated, the molecules that make up the object
The amount of heat gained by a substance is equal to the product of its mass and latent heat.
A device in which the loss of heat due to conduction, convection and radiation is minimized is ______.
Ice is kept in a double-walled container. Why?
The sun gives us light and heat.
In the arrangements A and B shown in the following figure, pins P and Q are fixed to a metal loop and an iron rod with the help of wax. In which case are both the pins likely to fall at different times? Explain.
