Which of the following equations is not a correct mirror formula? [The symbols have their usual meanings]

a

N = \(\frac{360}{\theta}\) - 1

b

\(\frac{1}{f} = \frac{1}{u} + \frac{1}{v}\)

c

m = \(\frac{v}{u}\)

d

f = \(\frac{1}{D}\)

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Correct Option
d

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Discussions (9)

Legitcash21
2 years ago

correct formula is
N=(360/∅)-1

not N=(360/∅) .
option A is correct ✅

fah1zz
2 years ago

A🤷‍♀️

kwinyemite
2 years ago

A is the correct answer pls

inverse of lens power will give frequency
f=1/D

kollybrado
1 year ago

wave number= 2π/lamba
that will be 2×3.142÷ 1.25
that will be 4m not 5m pls

100JESUS
1 year ago

N = (360/Angle) - 1

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