During a sunny day, the number plate of a car travelling on the highway seems to flicker for a person walking at a distance in the opposite direction. This happens due to

Due to refraction

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Due to high speed of car

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Due to hypermetropia

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Due to the large seperation between car and person

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Solution

The correct option is A
Due to refraction

Air in contact with the road is very hot, so less dense and has less refractive index compared to air far above the road. Since the physical conditions of the refractive medium are not stationary so the light travelling through this medium appears to flicker and so does the image of the object flicker in our eyes.

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