Glass | MCQs

Explanation

A convex lens has either one or both of its surfaces curving outwards, that is, wider divergence from the plan at the center.

These lenses are used to correct long-sightedness (hypermetropia).

Explanation

Glass House Mountains is a rural hinterland town and locality in the Sunshine Coast Region, Queensland, Australia.

Explanation

In an optical fiber, the core is made of a material with a relatively high refractive index, typically glass or plastic with a high refractive index.

This allows the light to be confined and transmitted through the fiber via total internal reflection.

The cladding surrounding the core has a lower refractive index, which helps to keep the light within the core.

Explanation

After "Would you mind," we use the gerund (verb + ing) form.

So, the correct sentence is: "Would you mind closing the window?"