Physics
A colour-blind person cannot

See black colour
See distant objects
Have persistence of vision
Distinguish between certain colours

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Physics
A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

The surface of the liquid remains horizontal
The liquid surface falls down on the direction of motion and rises up on the back side of the tank
None
The liquid surface falls down only at the center of the tank

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