Answer to Question #247418 in General Chemistry for Karthi

Question

4) Comparison of different lighting sources for the given table and give your remarks in view of efficiency?

Lumens

700

1100

1400

LED (Watts)

8 W

12 W

CFL (Watts)

(Watts)

14

20

24

Incandescent lamp

60

75

16 W

100

Answer 1

CFLs are a temporary solution to energy-efficient lighting, arriving on the market when first generation LED bulbs had a narrow and focused light beam and cost too much for many consumers.

Recent developments in LED technology, however, have addressed these issues. LEDs have been ‘clustered’ to provide more light, and mounted within diffuser lenses that spread the light across a wider area. And advancements in manufacturing technology have driven the prices down to a level where LED bulbs are more cost-effective than CFLs or incandescent bulbs. This trend is continuing, with LED bulbs being designed for more applications while the prices keep going down over time.