Question

Which of the following does not utilize spherical mirrors?
(a)Spectacles
(b)Car headlights
(c)Rear view glass
(d)Looking glass​

Answer 1

Answer:

spectacles.

Explanation:

Except the spectacles all the above are used for looking glass

Answer 2

Spectacles does not utilise spherical mirrors.

Explanation:

• Looking glasses is basically another term for mirrors. Whereas, spectacles use concave or convex lenses and not spherical mirrors.

• Car headlights uses Concave mirrors because when they are placed at focus, they permit the light to reach out to infinity.

• The rays emitting from the bulb after reflection from the mirror become parallel to the principal axis which creates a powerful light beam as the diverging rays are collected and converted into a beam.

• Convex mirrors are utilised in rearview mirrors because they give virtual, full-sized, diminished and erect images of faraway objects with a wider field of vision.

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