Lightning and Earthquakes
Learn about lightning, electrical phenomena, and earthquakes including safety measures, geological processes, and protective systems
Questions
_______ charges ______ each other and _____ charges ______ each other.
- Like, repel, unlike, attract
- Like, attract, unlike, repel
- Like, repel, unlike, repel
- Like, attract, unlike, attract
Which of the following would you use to transfer electrical charge from a charged body to another body?
- Plastic straw
- Glass rod
- Copper wire
- Wooden stick
The process by which a charged body loses its charge is called
- earthing
- discharging
- charging
- conduction
________ is provided in buildings to protect us from electrical shocks due to any leakage of electrical current.
- Lightning conductor
- Earthing
- Fuse
- None of these
Which of the following statements is true?
- The phenomenon of lightning is basically the earthing of built up charges in the clouds.
- The phenomenon of lightning is basically an electric discharge.
- Air is a good conductor of electricity as it facilitates the phenomenon of lightning.
- During lightning, charges do not meet, but only flow.
Which of the following activities should be avoided during a thunderstorm?
- Making calls on a mobile phone
- Switching off the lights inside the house
- Plugging in a microwave to heat food
- Cleaning your study table with a damp cloth
You are the supervisor of a construction site. Which of the following teams would you stop from doing work during a thunderstorm?
(a) The plumbing team laying the galvanised iron pipes
(b) The carpenter team hammering nail into a wooden structure lying on the ground floor
(c) The mason and labour team constructing an inside partition wall
(d) The scaffolding team installing the metallic scaffolding on the outside walls
- (a) only
- (b) only
- (c) and (d) only
- (a) and (d) only
The outermost layer of the earth is called the
- outer core
- mantle
- crust
- none of these
You are ploughing your field in your open tractor when suddenly a thunderstorm strikes. You are at least 5 km away from your farmhouse that is the nearest available shelter. Which of the following should you do to save yourself from any lightning strike?
- Lie on the ground
- Take shelter under the tractor
- Take shelter under the tallest tree nearby
- Squat low on the ground
Which of the following Indian cities is not in an earthquake-prone zone?
- Srinagar
- New Delhi
- Guwahati
- Bangalore
Which of the following materials cannot be used for making a lightning conductor?
- Aluminium
- Copper
- Optical fibre
- Steel
Which of the following statements is/are true?
(a) The crust of the earth is fragmented.
(b) The plates are not in a continual motion.
(c) Brushing past of plates does not cause earthquakes.
- (a) and (b)
- (b) and (c)
- (a) and (c)
- (a) only
The waves produced on the surface of the earth by tremors of an earthquake are known as
- land waves
- quake waves
- tidal waves
- seismic waves
What do we call the buildings in seismic zones, which have been designed so that they can withstand major tremors?
- Zone proof
- Earth safe
- Quake safe
- Vibration proof
You are travelling in a car and suddenly a very powerful earthquake strikes. You should
- speed up the car so as to outrace it
- brake hard and then back up so as to get away from it
- drive slowly to a clear spot and remain inside till the tremors stop
- speed up, drive to a clear spot and then run out of the car