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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
- Angular momentum of the particle rotating with a central force is constant due to
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- Charge passing through a conductor of cross-section area A=0.3 m² is given
- In R-L-C series circuit, the potential differences across each element is 20 V.
- A ballet dancer, dancing on smooth floor, is spinning about a vertical axis
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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