Lightning Safety : Steps to Follow

Q.

During a thunderstorm, it is not safe to use mobile phones and cordless phones.

1. True
2. False

Q.

What are the effects of lightning?

Q.

During a thunderstorm, it is safer to use mobile phones and cordless phones than using wired telephones.​

1. False

2. True

Q.

What is a Lightning Conductor? Write its Uses.

Q. It is safer to use mobile and cordless phone during lightning because?

1. They are wireless
2. Less chances of getting in contact with lightning
3. Both a & b
4. None of the above

Q.

A lightning strike is so strong that it can destroy life and property. Select the safe measure(s) to be taken to protect life:

1. Using Telephone having cord

2. Switching on / off electric lights

3. Using a mobile phone

4. None of the above

Q.

What is an example of an electric discharge?

Q. During a lightning, which of the following occurs?

1. Electrons flow from the cloud to the ground.
2. Protons flow from the cloud to the ground.
3. Electrons flow from the ground to the cloud.
4. Protons flow from the ground to the cloud.

Q. During thunderstorm or lightning, it is not safe to stand under a tree.

1. True
2. False

Q.

A person is in open space during a thunderstorm with no shelter (not even a tree) available nearby. Describe the safe position which he shouldtake to protect himself from lightning. Why is this position considered safe ?

Q.

How does hails occurs?

Q.

Which of the following is/are precautions to be taken while using electrical appliances?

1. We should touch switches with wet hands

2. The connecting wires to the plugs, sockets should be tightly joined

3. We should ensure that all the appliances are properly earthed

4. We should try not to repair an appliance while in use

Q.

The $e.m.f$ of a lead accumulator cell is 2 volts. Explain.

Q. Describe the three different types of lightning.

Q.

Which is a safe position during lightning?

1. Lie flat on the ground with hands with streched hands and legs

2. Stand on the ground with hands and head upward

3. Kneel down with folded hands and head down

4. Squat low with hands on the knees and head between the hands

Q. Explain the experiment counted by Benjamin Franklin that stood spark share some simalrity with lighting.?

Q. How or when can an electric discharge occur?

Q. A few natural phenomena are given below. Identify the correct phenomenon in which the process of electric discharge occurs.

1. Earthquake
2. Volcanic eruption
3. Tsunami
4. Lightning

Q.

Which of the following is a safe position during lightning?

1. Lie flat on the ground with hands with streched hands and legs

2. Stand on the ground with hands and head upward

3. Kneel down with folded hands and head down

4. Squat low with hands on the knees and head between the hands

Q. Which is the best way to protect yourself during a thunderstorm if you are sitting in a car?

1. Stay inside the car.
2. Run away to the nearby tree.
3. Take cover under the car.
4. Stand under an electric pole.

Q.

State three safety measures that you will observe in the thunderstorm.

Q.

What are the Do's and Don'ts to be followed during a thunderstorm when a person is inside the house?

Q. What is the best thing to do during heavy lightning?

Q.

Lightning occurs due to:

1. Electric discharge

2. Rain

3. Wind

4. Thunder

Q.

Which of the following is safe to do during lightning?

1. Talking on a mobile phone

2. Crouching in a large building or inside home

3. Working with construction machinery

4. Taking shelter under a tall tree

Q. What precautions would you take if lightning occurs while you are outside the house?

Q.

What causes the seperation of charges during a thunderstorm? [2 MARKS]

Q. Which of the following is the safest position during lightning?

1. Lie flat on the ground with hands and legs stretched.
2. Stand on the ground with head upward.
3. Kneel down on your knees.
4. Squat low with hands on the knees and head between the hands.

Q. Which of the following scientist in 1749 was the first to determine that in the thunderstorm, the clouds are electrically charged?

1. Nicole Tesla
2. Issac Newton
3. Max plank
4. Benjamin Franklin

Q. on which princple does electric fly trapper work