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Quantum dots can be used in _________

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Quantum dots can be used in _________

(a) Crystallography

(b) Optoelectronics

(c) Mechanics

(d) Quantum physics

I have been asked this question in an interview for job.

My query is from Categories of Nanomaterials topic in portion Nanomaterials of Engineering Physics II

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The correct choice is (b) Optoelectronics

Explanation: Quantum dots are basically semiconductor nanoparticles that show a particular colour on illumination by a light. They have unique electrical and optical properties. Due to this, they are widely used in optoelectronics.

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