Answer: b) False
Explanation:Ceramic is brittle in nature therefore it has a tendency that it is strong during the compression and it tends to be weak during the high tensile forces. While the tensile forces are applied , ceramics are not able to yield the stress and cause breakage of the material due to high tension but does not face any fault during the compression.
Answer:
Explanation:
The boiling point of the water depends only on the absolute pressure p. the atmospheric temperature is given by P=101000 pa and the pressure from the lid we calculate by dividing its weight with the surface area of lid. the weight is product of mass and the gravitational acceleration. surface area is calculated by given diameter.
The absolute pressure p is sum of atmospheric pressure and the pressure from the weight of lid.
At this pressure the boiling temperature of water is 100.2.
Answer: Equilibrium temperature they reach is 383 K
Explanation:
As we know that,
.................(1)
where,
q = heat absorbed or released
= mass of gold = 1.3 kg
= mass of copper = 2.1 kg
= final temperature = ?
= temperature of gold= 300 K
= temperature of copper = 400 K
= specific heat of gold =
= specific heat of copper =
Now put all the given values in equation (1), we get
Thus equilibrium temperature they reach is 383 K
Answer:
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Answer:
Explanation:
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