MHT CET · Physics · Semiconductors
Choose the correct statement. In semiconductors, valance band and conduction band
- A is separated by large energy gap
- B is separated by small energy gap
- C is almost empty
- D overlap each other
Answer & Solution
Correct Answer
(B) is separated by small energy gap
Step-by-step Solution
Detailed explanation
In semiconductors, valance band and conduction band is separated by small energy gap.
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
- To what temperature should the hydrogen at \(327^{\circ} \mathrm{C}\) be cooled at constant pressure, so that the root mean square velocity of its molecules becomes half of its previous value?MHT CET 2009 Easy
- The magnitude of the sum of the two vectors \(\overrightarrow{\mathrm{A}}\) and \(\overrightarrow{\mathrm{B}}\) is equal to the magnitude of
the difference of two vectors \(\overrightarrow{\mathrm{A}}\) and \(\overrightarrow{\mathrm{B}}\). The angle between \(\overrightarrow{\mathrm{A}}\) and \(\overrightarrow{\mathrm{B}}\) isMHT CET 2020 Easy - A point source of light is used in a photoelectric effect. If the source is removed farther from the emitting metal, then the stopping potential willMHT CET 2024 Easy
- A nucleus breaks into two nuclear parts, which have their velocity ratio \(2: 1\). The ratio of their nuclear radii will beMHT CET 2021 Medium
- Earth is assumed to be a sphere of radius \(R\). If ' \(\mathrm{g}_\phi\) ' is value of effective acceleration due to gravity at latitude \(30^{\circ}\) and ' \(\mathrm{g}\) ' is the value at equator, then the value of \(\left|g-g_\phi\right|\) is \((\omega\) is angular velocity of rotation of earth, \(\cos 30^{\circ}=\frac{\sqrt{3}}{2}\) )MHT CET 2023 Hard
- A vertical spring oscillates with period 6 second with mass \(m\) is suspended from it. When the mass is at rest, the spring is stretched through a distance of
(Take, acceleration due to gravity, \(\mathrm{g}=\pi^2=10 \mathrm{~m} / \mathrm{s}^2\) )MHT CET 2025 Medium
More PYQs from MHT CET
- What is the number of moles of tertiary carbon atoms in a molecule of isobutane?MHT CET 2023 Medium
- The centroid of tetrahedron with vertices \(\mathrm{P}(5,-7,0), \mathrm{Q}(\mathrm{a}, 5,3), \mathrm{R}(4,-6, \mathrm{~b})\) and \(\mathrm{S}(6, \mathrm{c}, 2)\) is \((4,-3,2)\), then the value of \(2 a+3 b+c\) is equal toMHT CET 2024 Medium
- Assuming that the earth is revolving around the sun in circular orbit of radius \(R\), the angular momentum is directly proportional to \(\mathrm{R}^{\mathrm{n}}\). The value of ' \(n\) ' isMHT CET 2024 Medium
- A clock pendulum having coefficient of linear expansion, has a period of at If the clock is used in a climate where the temperature is how much time does the clock lose in each oscillation?MHT CET 2019 Easy
- Which of the following is Baeyer's reagent?MHT CET 2017 Easy
- The number of solutions of \(16^{\sin ^2 x}+16^{\cos ^2 x}=10\) in \(0 \leqslant x \leqslant 2 \pi\) areMHT CET 2025 Medium