Physics
While ascending a hill, the driver of the vehicle keeps the gear ratio

Either equal to or greater than 1
Equal to 1
Greater than 1
Less than 1

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Physics
Rainbows are produced when sunlight :

Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection.
None of the given statements is correct.
Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction
Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.

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