(B) $(B)$$\lambda = 0.57 \times 10^{-6} \ m$$E_{\text{photon}} = \frac{hc}{\lambda}$$\text{Power} = \frac{\text{Total Energy}}{\text{Time}} = \frac{n

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(B) $(B)$$\lambda = 0.57 \times 10^{-6} \ m$$E_{\text{photon}} = \frac{hc}{\lambda}$$\text{Power} = \frac{\text{Total Energy}}{\text{Time}} = \frac{n \times hc}{\lambda \times t}$$\text{Power} = \frac{14.33 \times 10^{19} \times 6.626 \times 10^{-34} \times 3 \times 10^8}{0.57 \times 10^{-6}}$$\text{Power} = \frac{28.49 \times 10^{-7}}{0.57 \times 10^{-6}} \approx 50 \ W$

Class 11 Chemistry Structure of Atom Atomic models and Planck's quantum theory

Medium

$A$ bulb emits monochromatic yellow light of the wavelength $0.57 \ \mu m$. If the rate of emission of quanta per second of the bulb is $14.33 \times 10^{19}$, the power of the bulb (in $Watt$) is $.....$

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A
$25$
B
$50$
C
$75$
D
$100$

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Class 11

Chemistry Questions

Chapter

Structure of Atom

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Atomic models and Planck's quantum theory

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If an electron transitions from $n = 5$ to $n = 2$ in a hydrogen spectrum,identify the series and the region of the spectrum.

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The radius of a hydrogen atom in its ground state is $0.53 \ \mathring{A}$. The radius of the $Li^{2+}$ ion in the same state (atomic number = $3$) is ............. $\mathring{A}$.

Medium

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In a hydrogen atom,the energy difference between the states $n = 2$ and $n = 3$ is $E \ eV$. The ionization energy of the $H$-atom is: (in $E$)

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If each hydrogen atom is excited by giving $8.4 \ eV$ of energy,then the number of spectral lines emitted is equal to :

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Which of the following is correct for any $H^-$-like species?

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$A$ bulb emits monochromatic yellow light of the wavelength $0.57 \ \mu m$. If the rate of emission of quanta per second of the bulb is $14.33 \times 10^{19}$, the power of the bulb (in $Watt$) is $.....$

Similar Questions

If an electron transitions from $n = 5$ to $n = 2$ in a hydrogen spectrum,identify the series and the region of the spectrum.

The radius of a hydrogen atom in its ground state is $0.53 \ \mathring{A}$. The radius of the $Li^{2+}$ ion in the same state (atomic number = $3$) is ............. $\mathring{A}$.

In a hydrogen atom,the energy difference between the states $n = 2$ and $n = 3$ is $E \ eV$. The ionization energy of the $H$-atom is: (in $E$)

If each hydrogen atom is excited by giving $8.4 \ eV$ of energy,then the number of spectral lines emitted is equal to :

Which of the following is correct for any $H^-$-like species?

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