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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
- Monochromatic light of wavelength 667 nm is produced by a helium neon laser
- A body, which emits radiations of all possible wavelengths, is known as
- Potentiometer measures the potential difference more accurately than a voltmeter
- The ratio of the radii or gyration of a circular disc to that of a circular ring
- A solid body rotates about a stationary axis, so that its angular velocity
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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