Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q42. The intensity of a plane monochromatic wave is 1380 Wm⁻² What is the amplitude of electric field in this wave? (Take speed of light 3 × 10⁸ ms⁻¹; wo = 8.85 x 10⁻¹²C²N⁻¹m⁻²)