Lightning and thunderstorm — task. Physics CBSE Live product, Class 8.

Choose the best answer for the following.

1. Lightning occurs when

opposite charges in the clouds or between cloud and ground suddenly meet
winds blow from land to sea
the air pressure increases suddenly
warm air rises and cools to form water droplets

2. The separation of positive and negative charges inside a cloud happens because

the Sun heats the cloud unevenly
lightning conductor attracts charges
warm air mixes with cool air slowly
strong upward and downward winds cause collisions of particles

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