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Earthing

Due to chargi...

Question

Due to charging by friction, negatively charged particles accumulate at the bottom of clouds.

A

False

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B

True

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Solution

The correct option is B True

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Q. Accumulation of charges causes ________ in the clouds.

Q. Statement 1: The positive charges collect near the upper edges of the clouds and the negative charges accumulate near the lower edges.
Statement 2: The charge separation is caused due to vigorous upward movement of air currents and the downward movement of water droplets.

Fill in the blank:

________ charges collect or accumulates near the lower edges of clouds.

The clouds consists of charged particles of water dispersed in air. Some of them are positively charged, others are negatively charged. When positively charged clouds come closer, they cause lightening and thundering whereas when positive and negative charged colloids come closer, they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodide from an aeroplane and thus, coagulation the mist hanging in air.

Clouds are colloidol solution of :

The clouds consists of charged particles of water dispersed in air. Some of them are positively charged, others are negatively charged. When positively charged clouds come closer, they cause lightening and thundering whereas when positive and negative charged colloids come closer, they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodide from an aeroplane and thus, coagulation the mist hanging in air.

AgI helps in artificial rain because :

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