What happens when light rays incident on a convex mirror run parallel to its principal axis?

What are the applications of electromagnetic waves

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer