WAEC - Physics (1991 - No. 28)
Which of the following are true of plane-polarised light? i. Plane polarisation of light is the formation of hydrogen bubbles on the particle of light. ii. Plane polarisation of light is the splitting of light into its spectral components iii. A plane polarised light vibrates in one plane. iv. Polarisation of light is characteristic of transverse vibration
i and ii only
i and iv only
ii and iii only
iii and iv only
i and iii only.
Uitleg
Plane-polarized light consists of waves that vibrate in a single plane. Polarization occurs in transverse waves, where the oscillations are perpendicular to the direction of wave propagation.