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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 coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- A body of mass m is thrown upwards at an angle θ with the horizontal with velocity
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- In gamma ray emission from a nucleus
- The intensity of magnetisation of a bar magnet is 5×10⁴ Am⁻¹. The magnetic length
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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