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. Which of the following is the reason?
A
Refraction
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B
High speed of car
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C
Hypermetropia
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D
High separation between car and person
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Solution
The correct option is A Refraction
The air in contact with the road is hotter and less dense than the air above it.
Since physical conditions of the refractive medium are not stationary, the light coming from this medium appears to flicker.