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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
- In an interference experiment, third bright fringe is obtained at a point
- The bandgap in Germanium and silicon, in eV, are respectively
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- Thin uniform rod of length L, cross-sectional area A and density ρ is rotated
- An α-particle and a proton travel with the same velocity in a magnetic field
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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