Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Units and Measurements

Question:

What is the power of a 100 W bulb in cgs units ?

Options:

106 erg/s

107 erg/s

109 erg/s

1011 erg/s

Correct Answer:

109 erg/s

Explanation:

100 W = 100 Js-1 = 100 × 107 ergs-1