MHT CET · Physics · Semiconductors
In n-type semiconductor, free electrons donated by the impurity atoms occupy energy levels in
- A the conduction band.
- B the valence band.
- C the band gap and are close to the conduction band.
- D the band gap and are close to the valence band.
Answer & Solution
Correct Answer
(C) the band gap and are close to the conduction band.
Step-by-step Solution
Detailed explanation
the band gap and are close to the conduction band.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- The wavelength of sound in any gas depends uponMHT CET 2021 Easy
- In an LCR circuit, if ' \(V\) ' is the effective value of the applied voltage, \(V_R\) is the voltage across ' \(R\) ', ' \(\mathrm{V}_{\mathrm{L}}\) ' and ' \(\mathrm{V}_{\mathrm{C}}\) ' is the effective voltage across ' L ' and ' C ' respectively thenMHT CET 2024 Easy
- Two concentric circular coils \(\mathrm{A}\) and \(\mathrm{B}\) have radii \(20 \mathrm{~cm}\) and \(10 \mathrm{~cm}\) respectively lie in the same plane. The current in coil A is \(0.5 \mathrm{~A}\) in anticlockwise direction. The current in coil B so that net field at the common centre is zero, isMHT CET 2023 Easy
- In photoelectric experiment keeping the frequency of incident radiation and accelerating potential fixed, if the intensity of incident light is increase,MHT CET 2021 Easy
- A liquid drop having surface energy is spread into droplets of the same size. The final surface energy of the droplets isMHT CET 2016 Medium
- If two sources emit light waves of different amplitudes thenMHT CET 2021 Easy
More PYQs from MHT CET
- A plane passes through \((2,1,2)\) and \((1,2,1)\) and parallel to the line \(2 x=3 y\) and \(\mathrm{z}=1\), then the plane also passes through the point.MHT CET 2025 Medium
- Beats are produced by waves \(\mathrm{y}_1=\mathrm{a} \sin 2000 \pi \mathrm{t}\) and \(\mathrm{y}_2=\mathrm{a} \sin 2008 \pi \mathrm{t}\). The number of beats heard per second isMHT CET 2021 Easy
- The figure shows two diagrams in which diode and resistance are connected. Out of the following statements which one is TRUE?

MHT CET 2020 Easy - The equation of common tangent to the circle \(x^{2}+y^{2}=2\) and the parabola \(y^{2}=8 x\) is \(x+y-k\). Then value of \(k\) isMHT CET 2010 Medium
- An a. c. voltage is applied to pure inductor. The current in the inductorMHT CET 2025 Easy
- A particle \(P\) starts from the point \(Z_0=1+2 i\) where \(i=\sqrt{-1}\). It moves first horizontally away from the origin by 5 units and then vertically upwards parallel to positive \(y\)-axis by 3 units to reach a point \(Z_1\). From \(Z_1\) the particle moves \(\sqrt{2}\) units in the direction of vector \(\hat{i}+\hat{j}\) and then it moves through an angle \(\frac{\pi}{2}\) in anticlockwise direction on a circle with centre at origin to reach at point \(Z_2\), then \(Z_2=\)MHT CET 2025 Medium