Having two eyes facilitates in

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\text { A : Increasing the field of view }
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\text { B: Bringing three-dimensional view }
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\text { C: Developing the concept of distance/ size }
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Then the correct option is/are

The defective eye of a person has near point 0.5 m and point 3 m. The power far corrective lens required for
(i) reading purpose and
(ii) seeing distant objects, respectively are:

When white light enters a prism, it gets split into its constituent colours. This is due to

One cannot see through the fog, because

A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

A prism ABC (with BC as base) is placed in different orientations. A narrow beam of white light is incident on the prism as shown in figure. In which of the following cases, after dispersion, the third colour from the top corresponds to the colour of the sky?

The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light

The focal length of the eye lens increases when eye muscles

The air layer of atmosphere whose temperature is less then the hot layer behave as optically

Myopia and hypermetropia can be corrected by