A green laser pointer emits light of wavelength 500 nm. What is the energy of one photon of this light, in electronvolts? (Take hc = 1240 eV nm.)

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A green laser pointer emits light of wavelength 500 nm. What is the energy of one photon of this light, in electronvolts? (Take hc = 1240 eV nm.)

More NEET Physics chapters

Practising is step one. Knowing what to practise next is the hard part.

Practising is step one. Knowing what to practise next is the hard part