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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 transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- If the terminal speed of a sphere of gold (density=19.5 kg/m³) is 0.2 m/s
- A thin wire of length L and mass M is bent to form a semicircle.
- The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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