Lens

Asked by sivakumars | 23rd Feb, 2010, 05:16: PM

Expert Answer:

Dear Student

Consider a light ray crrossing a junction between air and flot glass.

When the ray bends???

It bends If the incident angle is not 90.

a ray of light passing through the optical centre its angle if incidence is 90, so no bending of light

 

Regards

Team

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Answered by  | 23rd Feb, 2010, 05:21: PM

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