light refraction and dispersion

What phenomenon is it

• Reflection

• Refraction

• Dispersion

What type of lens is it

• Concave

• Convex

What will be the size of the object

• Enlarged

• same size

• Highly diminished

• highly enlarged

N = C / M

• Absolute refractive index

• Relative refractive index

Speed of light

• 3 × 10⁸m/s

• 1 × 10⁸m/s