Spectroscope tuusao

Tu Dia.18cm, maualuga 20cm. Faʻaaogaina e faʻailoa ai le fausiaina o le spectroscope, mataʻituina faʻaauau fusi o alaleo, susulu laina ma mitiia vaʻaia, ma faʻamautinoaina le wavelength o laina spectral ma planck tumau, ma isi