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Mechanical Properties Of Solids
Question
One kg of a diatomic gas is at a pressure of 8 × 104 N/m2 . The density of the gas is 4 kg/m-3. What is the energy of the gas due to its thermal motion?
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3 × 104 J
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5× 104 J
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6× 104 J
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7× 104 J
Solution
B.
5× 104 J
Thermal energy corresponds to internal energy
Mass = 1 kg
density = 8 kg/m3
Some More Questions From Mechanical Properties of Solids Chapter
A rope is wound around a hollow cylinder of mass 3 kg and radius 40 cm. What is the angular acceleration of the cylinder if the rope is pulled with a force of 30 N?
Assertion: A rigid body can be elastic.
Reason: If s force is applied on the rigid, its dimensions may change.
The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Young's double slit experiment is
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