refers to electromagnetic radiation; the natural agent that stimulates sight and makes things visible

not heavy; easy to lift or carry

हल्का

English Usage: This box is light enough for me to carry alone.

Hindi Usage: यह डिब्बा इतना हल्का है कि मैं इसे अकेले उठा सकता हूँ।

having a lot of light or brightness

not dark; bright

रोशन

English Usage: She prefers light clothing in the summer.

Hindi Usage: वह गर्मियों में रोशन कपड़े पहनना पसंद करती है।

to ignite something

to illuminate

प्रकाशित करना

English Usage: The streetlights light up the road at night.

Hindi Usage: सड़क के लाइट रात में सड़क को प्रकाशित करते हैं।