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If a solid ball of metal has a concentric spherical cavity with in it if the ball is heated the volume of the cavity will
Options
(a) increase
(b) decrease
(c) remains unchanged
(d) None of these
Correct Answer:
increase
Explanation:
When a solid ball has a concentric spherical cavity within it is heated, the volume of the cavity will increase.
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Topics: Thermodynamics
(179)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A polished metal plate has a rough and black-spot. It is heated to 1400 K
- The Boolean expression P+ P ̅ Q, where P and Q are the inputs of the logic
- Two thin long conductors seprated by a distance d carry currents
- Four identical cells of emf Ԑ and internal resistance r are to be connected in series.
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
Topics: Thermodynamics (179)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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it is because volume is inversely proportional to density and expansion during heating decreases the density of a material so volume increases as mentioned above volume is inversely proportional to density