Question

write all the formulas of electricity and light- reflection & refraction
plz help​

Answer 1

Answer:

formula related to reflection of light:

1/f = 1/u + 1/v (f=focal lenght of mirror)

f = r/2

M = hi/ho

M= -v/u

Formula related to refraction of light:

n=sini/sinr (n=refractive index)

1/f=1/v -1/u

p=1/f(m) or 100/f(cm) (p= power of lens)

m= I/O

Explanation:

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