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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
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- A choke is preferred to a resistance for limiting current in AC circuit because
- Two bodies of mass 1 kg and 3 kg have positive vectors i + 2j + k and -3i -2j + k
- A body revolved around the sun 27 times faster than the earth. What is the ratio
- The electron drift speed is small and the change of the electron is also small
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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