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Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point?
Options
(a) metallic bonding
(b) van der Waal’s bonding
(c) ionic bonding
(d) covalent bonding
Correct Answer:
metallic bonding
Explanation:
For a metal, conductivity decreases with increase in temperature. Also, metal has high melting point
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Planck’s constant has same dimensions as those of
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
- In depletion layer of unbiased P-N junction
- The periodic waves of intensities I₁ and I₂ pass through a region at the same time
- The total radiant energy per unit area, normal to the direction of incidence
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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