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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
- A electric dipole is placed at an angle of 30⁰ to a non-uniform electric field.
- A radiactive substance emits 100 beta particles in the first 2s and 50 beta
- Alternating current is transmitted to distant places at
- The temperature of a body falls from 50⁰C to 40⁰C in 10 minute. If the temperature
- The mass of a lift is 2000kg. When the tension in the supporting cable is 28000N, then its acceleration is
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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