GCSE Flashcards
1
Q
Electromagnetic spectrum
A
10-15 to 104 and more
2
Q
Gunna hearing range
A
20 to 20000 hertz
3
Q
Refractive index
A
Sin I over sin r
Electromagnetic spectrum
10-15 to 104 and more
Gunna hearing range
20 to 20000 hertz
Refractive index
Sin I over sin r