ତରଙ୍ଗ ଦୈର୍ଘ୍ୟ

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Wavelength of a sine wave, λ, can be measured between any two points with the same phase, such as between crests, or troughs, or corresponding zero crossings as shown.

ପଦାର୍ଥ ବିଜ୍ଞାନରେ ତରଙ୍ଗ ଦୈର୍ଘ୍ୟ ହେଉଛି ଏକ ନିର୍ଦ୍ଧିଷ୍ଟ ବ୍ୟବଧାନ ଯାହାପରେ ତରଙ୍ଗ ଆକୃତିର ପୁନରାବୃତ୍ତି ହୋଇଥାଏ । [୧]


  1. Hecht, Eugene (1987). Optics (2nd ed.). Addison Wesley. pp. 15–16. ISBN 0-201-11609-X.