Question

classify the folowing into two groups -'light sources' and Non-light sources'. star,Moon,sun,earth,mirror,electric torch, diamond,table lamp,firefly,boy,burning candle,lightning,table,television (switched on)

Answer 1

Answer:

light sources : star , sun , electric torch , lamp , firefly , burning candle , lightning , television.

non light sources: moon , earth , mirror , diamond , boy , table . hope it helps you

Answer 2

Answer:

light sources - sun, firefly, ⭐star, diamond

non -light sources - candel, lamp, boy, table, televisions, moon, mirror

Explanation

As Diamond is a third generation light source it also uses special arrays of magnets called insertion devices.