Tag: some natural phenomena

Quizzes (10) Questions (151)

Questions Related to some natural phenomena

Multiple choice physics some natural phenomena safety from lightning lightning safety advanced of lightning

How lightning conductor is installed during construction of building?

  1. By keeping one end of rod open to air and another end of the rod buried deep in the ground.

  2. By keeping one end of rod closed and other end is buried deep in the ground.

  3. By keeping one end of rod open to air and other end is just touching the ground.

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A lightning conductor works by providing a low-resistance path for lightning to travel safely to the ground. This requires a metallic rod at the top of the building connected to a conductor that is buried deep in the earth.

Multiple choice physics some natural phenomena safety from lightning lightning safety advanced of lightning

Why shouldn't one stand under a tree or a tall building during a thunderstorm?

  1. Lightning can strike trees and buildings,

  2. Trees and buildings may fall causing damage,

  3. Trees and buildings do not offer enough escape ground,

  4. None of the above,
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Sometimes electric discharge can take place between the charged cloud and Earth. While passing over a tree or a tall building an opposite charge may be induced causing a lightning to strike the tree or a building and if the charge is large it may cause severe damage and may prove to be fatal. Thus, it is advised to stay away from tall buildings or tree during thunderstorms.

Multiple choice physics some natural phenomena safety from lightning lightning safety advanced of lightning

How can we be safe when there is occurrence of lightning?

  1. Taking shelter under building or house

  2. When travelling through car or bus, making sure windows and doors are shut

  3. If in forest, taking shelter under short trees

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

During lightning, we can be safe:

  • by taking shelter under buildings.
  • by ensuring that windows and doors of a car are shut while travelling in a car / bus.
  • by taking shelter under short trees while in forest.

Multiple choice physics some natural phenomena safety from lightning lightning safety advanced of lightning

Explore and answer :
Some children are playing in the playground. Suddenly clouds gather in the sky and there is thunder and lightning. What should they do now?
The children should_______.
Choose the correct answer.

  1. <span>Run to their houses&nbsp;</span>

  2. <span>Stand under a tree</span>

  3. <span>Just stand at their places&nbsp;</span>

  4. <span>Squat down</span>
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

During a thunderstorm, the safest action is to seek shelter inside a sturdy building. Standing under trees or in open fields increases the risk of being struck by lightning.

Multiple choice physics some natural phenomena safety from lightning lightning safety advanced of lightning

Which of the following is safest way to protect yourself from lightning?

  1. Run to an open field

  2. Open an umbrella for cover

  3. Take shelter under a tree

  4. Squat low on ground
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

If caught outside during a lightning storm, squatting low on the ground minimizes your height and contact area with the ground, reducing the risk of being a target for a strike.

Multiple choice physics some natural phenomena introduction to lightning lightning analysis of natural phenomena
Franklin showed that _______ and the spark from our clothes during winters are the same phenomena. Fill in the blanks.

  1. thunder-storm

  2. earthquake

  3. lightning

  4. rain
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Benjamin Franklin, an American scientist, discovered that lightning and spark from your clothes during winters are same phenomena. Electric spark on large scale is known as lightning.