As Paper 2 Equations

Question 1

Speed of transverse wave on string equation

Answer 1

V=root(tension/mass per unit length)

Question 2

Fundamental frequency of a wave on string equation

Answer 2

f=1/2Lroot(tension/mass per unit length)

Question 3

Intensity equation

Answer 3

I=p/A

Question 4

Wavelength equation

Answer 4

Wavelength=h/p

Question 5

Snells law equation

Answer 5

N1sinx1=n2sinx2

Question 6

Refractive index equation

Answer 6

N=c/v

Question 7

Power within lenses equation

Answer 7

P=p1+p2

Question 8

Power equation equation

Answer 8

P=1/f

Question 9

1/f equation

Answer 9

1/f=1/u+1/v

Question 10

Magnification equation

Answer 10

M=v/u