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Q. What is an electric dipole? Define: the dipole moment.
Two equal as well as opposite charges separated by a very small distance constitute an electric dipole. Instances ammonia, water, carbon-dioxide as well as chloroform molecules the dipole moment is the product of the magnitude of the one of the charges and the distance between them. ∴ Electric dipole moment p = q2d or 2qd.
It is a vector quantity as well as acts from -q to +q the unit of dipole moment is C m.
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Q Calculate the longest wavelength that can be analysed by a rock salt crystal of spacing d = 2.82 Ao in the first order. Data: d = 2.82 Å = 2.82 × 10-10 m; n = 1 ; λmax = ?
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