Oil floating on water looks coloured due to interference of light. What should be the order of magnitude of the thickness of oil layer in order that this effect may be observed?

Question

Oil floating on water looks coloured due to interference of light. What should be the order of magnitude of the thickness of oil layer in order that this effect may be observed? (A) 10-6 m (B) 10-2 m (C) 10-10 m (D) 10-8 m

Tardigrade Admin · Accepted Answer

The order of thickness must be in the order of the wavelength of visible light

Q. Oil floating on water looks coloured due to interference of light. What should be the order of magnitude of the thickness of oil layer in order that this effect may be observed?

$1 0^{- 6} m$

$1 0^{- 2} m$

$1 0^{- 10} m$

$1 0^{- 8} m$

The order of thickness must be in the order of the wavelength of visible light

Q. Oil floating on water looks coloured due to interference of light. What should be the order of magnitude of the thickness of oil layer in order that this effect may be observed?

10−6m

10−2m

10−10m

10−8m

The order of thickness must be in the order of the wavelength of visible light

$1 0^{- 6} m$

$1 0^{- 2} m$

$1 0^{- 10} m$

$1 0^{- 8} m$