MCQ
An energy efficient devices for producing light is :
  • A
    $\text{DLF}.$
  • $\text{CFL}.$
  • C
    $\text{FCL}.$
  • D
    $\text{LPG}.$

Answer

Correct option: B.
$\text{CFL}.$
A compact fluorescent lamp $\text{(CFL)}$ is an energy $-$ efficient device. It consumes much less electrical energy than other devices that provide light.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free