| • optical density | |
| प्रकाश: allegation beacon lightness luminosity | |
| घनत्व: denseness density solidity thickness | |
प्रकाश घनत्व अंग्रेज़ी में
[ prakash ghanatva ]
| • optical density | |
| प्रकाश: allegation beacon lightness luminosity | |
| घनत्व: denseness density solidity thickness | |
