MCQOPTIONS
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| 1. |
Red light is used in traffic signal for stopping the traffic because : |
| A. | it is visible even to longsighted people |
| B. | eye is more sensitive to red light |
| C. | it is least scattered and hence can be easily noticed from long distance. |
| D. | it is very pleasant to the eye |
| Answer» D. it is very pleasant to the eye | |