Meeta's father was driving her to the school. At the traffic signal she noticed that each traffic light was made of many tiny lights instead of a single bulb. When Meeta asked his question to her father, he explained the reason for this.
Read the passage carefully and answer the questions given questions.
1) What were the values displayed by meeta ad here father?
2) What answer did Meeta's father give ?
3) What are the tiny lights in traffic signals called and how do these operate?
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