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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 circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- Sodium has body centred packing. Distance between two nearest atoms is 3.7 Å.
- An avarage induced e.m.f. of 1 V appears in a coil when the current in it is changed
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
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