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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
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- The shortest wavelength in Lyman series is 91.2 nm. The largest wavelength
- An open pipe resonates with a tuning fork of frequency 500 Hz. It is observed
- The mean radius of the earth is R, its angular speed on its own axis is ?
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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