All questions of Natural Phenomena for CTET & State TET Exam

Understanding Lightning Safety During Thunderstorms
During a thunderstorm, safety precautions are vital to prevent injuries or fatalities from lightning strikes. Let’s explore the options provided in the question and why using a mobile phone is the correct choice.
1. Using Telephone Having Cord
- Risk of Electrocution: Corded telephones are connected to phone lines that can conduct electricity. If lightning strikes the telephone line, it can send an electrical surge through the device, risking electrocution.
2. Switching On/Off Electric Lights
- Electrical Hazards: Turning electric lights on or off during a thunderstorm can expose individuals to electrical hazards. Lightning can cause power surges, which may result in electrical shocks or fires when interacting with electrical systems.
3. Using a Mobile Phone
- Safety Advantage: Mobile phones are typically safe to use during a thunderstorm because they operate on battery power and do not have a direct connection to electrical lines. This reduces the risk of electric shock, making them a safer communication option during severe weather.
4. None of the Above
- Conclusion: Since both corded telephones and electrical appliances pose risks during thunderstorms, and using a mobile phone is deemed safe, this option is incorrect.
Final Note
In summary, during a thunderstorm, it is advisable to avoid using corded telephones and electrical devices due to the risk of electrical surges. Using a mobile phone is the safest option, allowing for communication without the associated hazards of wired devices. Always prioritize safety during thunderstorms!