In Phong reflection model, the following equation shows the model of specular re...

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In Phong reflection model, the following equation shows the model of specular reflections:

Here, α is the shininess coefficient. Which statement is NOT correct about this shininess coefficient?

If α value decreases, it will be like plastic. (5 < α < 10)

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If α value increases, it will be like metals. (100 < α < 200)

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If α goes to infinity, it will be like a mirror.

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If α value cannot be beyond 200.

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