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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 thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
- The number of photo electrons emitted for light of a frequency v
- A simple pendulum has a time period T₁ when on the earth’s surface and T₂ When taken
- Electrons used in an electron microscope are accelerated by a voltage of 25 kV
- Which of the following is true for number of spectral lines in going from Lyman series
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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