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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
- On adjusting the P-N junction diode in forward bias,
- A charged particle experiences magnetic force in the presence of magnetic field.
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- An object is placed at a distance of 10 cm from a co-axial combination of two lenses
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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