The minimum wavelength of photon is 5000 A- its energy will beA- 50 VB- 5-48 eVC- 7-48 eVD- 2-5 eV

The correct option is D 2.5 eVE=12375/λ=12375/5000 = 2.47eV≈ 2.5eV ...

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Standard XII

Chemistry

Photoelectric Effect

The minimum w...

Question

The minimum wavelength of photon is $5000 \circ A$ , its energy will be

2.5 eV

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50 V

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5.48 eV

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7.48 eV

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Solution

The correct option is A 2.5 eV
$E = \frac{12375}{λ} = \frac{12375}{5000} = 2.47 e V \approx 2.5 e V$

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The minimum wavelength of photon is 5000 ∘A , its energy will be

The correct option is A 2.5 eVE=12375λ=123755000=2.47eV≈2.5eV

The minimum wavelength of photon is $5000 \circ A$ , its energy will be

The correct option is A 2.5 eV
$E = \frac{12375}{λ} = \frac{12375}{5000} = 2.47 e V \approx 2.5 e V$