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A polished metal plate has a rough and black-spot. It is heated to 1400 K and brought immediately in dark room. Then
Options
(a) The spot will appear darker than the plate
(b) The spot will appear brighter than the plate
(c) The spot and plate will appear equally bright
(d) The spot will appear darker and brighter than the plate periodically
Correct Answer:
The spot will appear brighter than the plate
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Properties of Bulk Matter
(130)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- A heavy uniform chain lies on a horizontal top table.If the coefficient of friction
- A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
- A uniform force of (3i+j) Nacts on a particle of mass 2 kg.Hence the particle is displaced
- Two discs of moment of inertia l₁ and I₂ and angular speeds
Topics: Properties of Bulk Matter (130)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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