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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Electromagnetic Waves
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Q)

Calculate the energy of electromagnetic waves of wavelength $3000\: A^{\circ}.$

$\begin {array} {1 1} (a)\;18.4 \times 10^{-20}Wh & \quad (b)\;1.84 \times 10^{-20}Wh \\ (c)\;1.84 \times 10^{-22}Wh & \quad (d)\;18.4 \times 10^{-22}Wh \end {array}$

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