The focal length of a lens is the same for lights of all colours.

Yes

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Yes, because focal length is independent of the refractive index

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B No
Since, refractive index of a lens varies with wavelength of light ray incident on it and so does focal length.

Suggest Corrections

Similar questions

If lens I has focal length +15 cm and lens II has focal length + 30 cm. Which lens has more power?

μ

f

μ

Join BYJU'S Learning Program