A source of illumination or brightness.

प्रकाश

English Usage: The light from the lamp illuminated the room.

Hindi Usage: lámपे से निकला प्रकाश कमरे को रोशन करता है।

Not heavy; easy to carry.

हल्का

English Usage: The bag was so light that I could carry it with one hand.

Hindi Usage: बैग इतना हल्का था कि मैं इसे एक हाथ से ले जा सकता था।