Atmospheric Electricity | MCQs

Explanation

Why lightning comes faster than thunder? 5 marks

Lightning is faster than thunder.

• Lightning and thunder happen at the same time.

• But you see lightning before you hear thunder

• because light, which travels a million times faster than sound, arrives almost instantly.

• Sound, on the other hand, takes about five seconds to travel one mile.

• light at a speed of around 300,000,000 meters per second travels much faster than sound which moves at 340 meters per second.

Explanation

During a thunderstorm, the Earth can have a net positive charge on its surface.

This is because the negatively charged clouds above the Earth induce a positive charge on the Earth's surface.