Question

Mohan purchased a TV for rupees 33000. he paid rupees 2000 as transportation charges. thereafter, he sold to it Mukesh for rupees 42000. find the gain percentage​

Answer 1

• Glass, for example, is transparent to all visible light. ... Opaque objects block light from traveling through them. Most of the light is either reflected by the object or absorbed and converted to thermal energy. Materials such as wood, stone, and metals are opaque to visible light.