luminous material meaning in Hindi

Examples

1. Some rings were composed in whole or in part of luminous materials.
2. Some items made of luminous material were made into items to help in blackouts.
3. Thus over a broad belt on both continents this large region above the lower atmosphere was filled with masses of luminous material.
4. He also conducted research on high frequency Schottky diodes, ferro-electric semiconductors, and luminous materials, and made important contributions to the field of electroluminescence.
5. The "'galaxy rotation problem "'is the discrepancy between observed galaxy rotation curves and the theoretical prediction, assuming a centrally dominated mass associated with the observed luminous material.
6. The first large factory to produce the glowing watches, the Radium Luminous Materials Corp ., was opened in 1917, in Orange, N . J . Soon, other companies opened plants in Connecticut and Illinois.