Question

Is opaqueness of a material helpful? When? Why? ​

Answer 1

Answer:

Opaque materials can also be emissive, meaning that they actually emit light. In the real world the material would not actually emit light. Due to their translucency properties, these materials are often used to hide and diffuse a strong light source behind them.

Hope it helps you

Answer 2

Answer:

it is helpful

Explanation:

why is it helpful is because suppose it is a sunny day and the sunlight is coming right into your room then you will obviously pull out the curtain and the opaqueness of the curtain will block the sunlight . it mostly is in use when you need to block something bright