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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
Related Questions: - An electron moving in a circular orbit of radius r makes n rotations per second.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron moving in a circular orbit of radius r makes n rotations per second.
- The resistance of a bulb filament is 100 Ω at a temperature of 100⁰C.
- When an electron beam passes through an electric field they gain kinetic energy.
- A particle under the action of a constant force moves from rest upto 20 seconds
- Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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