How many images are formed when two mirrirs are placed at an angle of $72^{\circ}$ ?

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Solution

The correct option is B
5

Number of images formed when two mirrors are placed at an angle ᴓ is given by $n = (\frac{360^{\circ}}{ϕ}) - 1$ ,when 'n’ is even and $n = (\frac{360^{\circ}}{ϕ})$ , when ‘n’ is odd. For $ϕ = 72^{\circ}, n = 5$ .

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How many images are formed when two mirrirs are placed at an angle of 72∘?

The correct option is B 5 Number of images formed when two mirrors are placed at an angle ᴓ is given by n=(360∘ϕ)−1,when 'n’ is even and n=(360∘ϕ), when ‘n’ is odd. For ϕ=72∘, n=5.

How many images are formed when two mirrirs are placed at an angle of $72^{\circ}$ ?

The correct option is B
5

Number of images formed when two mirrors are placed at an angle ᴓ is given by $n = (\frac{360^{\circ}}{ϕ}) - 1$ ,when 'n’ is even and $n = (\frac{360^{\circ}}{ϕ})$ , when ‘n’ is odd. For $ϕ = 72^{\circ}, n = 5$ .