The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $2480 n m$ is incident on it. The band gap (in $e V$ ) for the semiconductor is

Name: The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap (in eV ) for the semiconductor is
Uploaded: 2020-01-06
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Answer 1

Band gap, $E_{g} = \frac{h c}{λ} = \frac{( 6 . 6 3 \times 1 0 ^{- 34} ) ( 3 \times 1 0 ^{8} )}{2 4 8 0 \times 1 0 ^{- 9} \times 1 . 6 \times 1 0 ^{- 19}} e V = 0.5 e V$

Answer 2

Band gap,

E_{g} = \frac{h c}{λ} = \frac{( 6 . 6 3 \times 1 0 ^{- 34} ) ( 3 \times 1 0 ^{8} )}{2 4 8 0 \times 1 0 ^{- 9} \times 1 . 6 \times 1 0 ^{- 19}} e V = 0.5 e V

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $2480 n m$ is incident on it. The band gap (in $e V$ ) for the semiconductor is

$0.9$

$0.7$

$0.5$

$1.1$

Band gap, $E_{g} = \frac{h c}{λ} = \frac{( 6 . 6 3 \times 1 0 ^{- 34} ) ( 3 \times 1 0 ^{8} )}{2 4 8 0 \times 1 0 ^{- 9} \times 1 . 6 \times 1 0 ^{- 19}} e V = 0.5 e V$

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $2480 n m$ is incident on it The forbidden band gap for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $600 n m$ is incident on it. The energy band gap (in eV) for the semiconductor is

A p-n photodiode is fabricated from a semiconductor with band gap of $2.8 e V$ . Can it detect a wavelength of $6000 n m$ ?

Electrical conductivity of a semiconductor increases when em radiation of $λ < 2480 n m$ is incident on it. The band gap in (ev) for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $1240 n m$ , is incident on it. The band gap for the semiconductor is:

Revise with Concepts

Metals, Conductors and semiconductors

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The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for the semiconductor is

0.9

0.7

0.5

1.1

Band gap, Eg​=λhc​=2480×10−9×1.6×10−19(6.63×10−34)(3×108)​eV=0.5 eV

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480nm is incident on it The forbidden band gap for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 600 nm is incident on it. The energy band gap (in eV) for the semiconductor is

A p-n photodiode is fabricated from a semiconductor with band gap of 2.8 eV. Can it detect a wavelength of 6000 nm?

Electrical conductivity of a semiconductor increases when em radiation of λ<2480nm is incident on it. The band gap in (ev) for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 1240nm, is incident on it. The band gap for the semiconductor is:

Revise with Concepts

Metals, Conductors and semiconductors

Electron Energies in Solids

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $2480 n m$ is incident on it. The band gap (in $e V$ ) for the semiconductor is

$0.9$

$0.7$

$0.5$

$1.1$

Band gap, $E_{g} = \frac{h c}{λ} = \frac{( 6 . 6 3 \times 1 0 ^{- 34} ) ( 3 \times 1 0 ^{8} )}{2 4 8 0 \times 1 0 ^{- 9} \times 1 . 6 \times 1 0 ^{- 19}} e V = 0.5 e V$

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $2480 n m$ is incident on it The forbidden band gap for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $600 n m$ is incident on it. The energy band gap (in eV) for the semiconductor is

A p-n photodiode is fabricated from a semiconductor with band gap of $2.8 e V$ . Can it detect a wavelength of $6000 n m$ ?

Electrical conductivity of a semiconductor increases when em radiation of $λ < 2480 n m$ is incident on it. The band gap in (ev) for the semiconductor is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than $1240 n m$ , is incident on it. The band gap for the semiconductor is: