Energy of a photon with a wave length of 450 nm isA- 4-36 - 10-12 ergsB- 4-36 X 10-13 ergsC- 4-36 - 10-20 ergsD- 4-36 - 10-11 ergs

The correct option is A 4.36 X 10 12 ergs E = hc/λ = 6.625 × 10^ 27 × 3 × 10^10/4.50 × 10^ 5 = 4.36 × 10^ 12 ergs ...

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Standard XII

Chemistry

Bohr's Model of a Hydrogen Atom

Energy of a p...

Question

Energy of a photon with a wave length of $450 n m$ is

4.36 X 10^-12 ergs

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4.36 X 10^-13 ergs

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4.36 X 10^-20 ergs

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4.36 X 10^-11 ergs

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Solution

The correct option is A
4.36 X 10^-12 ergs

$E = \frac{h c}{λ} = \frac{6.625 \times 10^{- 27} \times 3 \times 10^{10}}{4.50 \times 10^{- 5}} = 4.36 \times 10^{- 12} e r g s$

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Energy of a photon with a wave length of 450 nm is

The correct option is A 4.36 X 10-12 ergs E = hcλ = 6.625 × 10−27 × 3 × 10104.50 × 10−5 = 4.36 × 10−12 ergs

Energy of a photon with a wave length of $450 n m$ is

The correct option is A
4.36 X 10^-12 ergs

$E = \frac{h c}{λ} = \frac{6.625 \times 10^{- 27} \times 3 \times 10^{10}}{4.50 \times 10^{- 5}} = 4.36 \times 10^{- 12} e r g s$