De or het optica?

The correct Dutch article is:

de optica

  • English: optics
  • Plural: de optica's
Rule Words ending in -ica: usually de. See the rule
Meaning (Dutch) (wetenschap) het deelgebied van de natuurkunde dat het gedrag van licht beschrijft

How to use optica

the opticsde optica
this opticsdeze optica
that opticsdie optica
our opticsonze optica
your opticsjouw optica
every opticselke optica
which optics?welke optica?
a big optics / the big opticseen grote optica, de grote optica
the optics (plural)de optica's, deze optica's

Dutch words ending in optica

kwantumoptica | perioptica

In compound words, the last part decides the article. See the rule

Meaning, plural, diminutive, pronunciation and translations: WikiWoordenboek (Dutch Wiktionary) (CC BY-SA 4.0). Example sentences: Tatoeba (CC BY 2.0 FR).