Physics
Which of the following statements is true when we see ''rainbow' ?

In light rainfall, we face Sun
The sky remains clear and the sun is at lower position in the sky
The Sun remains behind us and we face raindrops
We face sun and raindrops

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Physics
Lightning is produced when

Similar charges of electricity rush towards each other and then get repelled
Clouds strike against impurities in air and the friction burns up these impurities
Water vapour produces electricity in the clouds
Strong opposite charges in different clouds break down the resistance offered by the intervening air

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