Tag: some natural phenomena

Questions Related to some natural phenomena

Multiple choice physics some natural phenomena introduction to lightning lightning analysis of natural phenomena

State whether the given statement is True or False :
To process nitrogen, lightning and other processes help in life existence. 

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Nitrogen is helpful, as all life is dependent on it. Protein in body is made up of nitrogen. To break nitrogen, huge amount of energy is required. This energy is only provided by natural lightning.

Multiple choice physics some natural phenomena introduction to lightning lightning analysis of natural phenomena

Which of the following causes electric sparks?

  1. Wind blowing and shaking electric poles.

  2. When amber rubbed with fur.

  3. When we take off woollen and polyester clothes.

  4. All of the above.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electric sparks, small or large, are caused when electric poles are shaken by wind, amber is rubbed with fur and woollen, polyester clothes are taken off.

Multiple choice physics some natural phenomena introduction to lightning lightning analysis of natural phenomena

Lightning is:

  1. caused by accumulation of charges in cloud

  2. caused by dispersion of charges in cloud

  3. caused by rotation of charges in cloud

  4. none of the above

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Due to accumulation of charges in cloud in large amount ,the air present near the cloud being non-conductive,no more resists the flow of charges and lightning takes place.

Multiple choice physics some natural phenomena introduction to lightning lightning analysis of natural phenomena

State whether true or false:
A spark of lightning occurs when negative charges jump from one charged cloud to another.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Lightning is an electrical discharge caused by the buildup of static electricity in clouds. The movement of negative charges between clouds or between a cloud and the ground creates the spark.