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Hvad gælder der ved spejlingsloven? i = u (udgangsvinklen er altid den samme som indgangsvinklen)
Hvad hedder Hans mor? Er hun dejlig? Helle og nej
Hvad er formlen for et halvåbent resonansrør? L = (2*n-1) * lambda/4
Hvad gælder ved brydningsloven? sin(i) / sin(b) = v_1 / v_2 = lambda_1 / lambda_2 = n_2 / n_1
Hvad er formlen for brydningsindekset? n = c/v
Hvad er formlen for v i stående bølger? v = f*lambda
Hvad er L i stående bølger Snorens længde fra de punkter, hvor snoren er fastspændt på
Hvad giver en halvering af bølgelængden i frekvens? Den dobbelte frekvens
Hvillke bølgelængder er det synlige lys? 400 nm - 700 nm
Created by: 829565857219804