Question 1 :
The earthquake measuring ______ or more on Richter scale can cause severe damage to life and property.
Question 2 :
The power of an earthquake is expressed in terms of a magnitude on a scale called
Question 3 :
What precautions should be taken if you are Inside the house during a thunderstorm?
Question 4 :
It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as positive. The other kind of charge is said to be negative. Is it TRUE OR FALSE?
Question 5 :
What precautions should be taken if you are outside the house during a earthquake?
Question 6 :
Two charged objects are brought close to each other. Choose the most appropriate statement from the following options:
Question 7 :
It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as ___________.
Question 8 :
A sudden shaking or trembling of the earth which lasts for a very short time is known as
Question 9 :
_________ and _________ charges meet, producing streaks of bright light and sound.
Question 11 :
State true or false. The plates of the outermost layer of the earth are always in continuous motion.
Question 12 :
When a glass rod is rubbed with a piece of silk cloth the rod ________________.
Question 13 :
An earthquake measures 3 on the richer scale. Would it be recorded by a seismograph?
Question 15 :
A sudden shaking or trembling of the earth which lasts for a very short time is known as
Question 17 :
What precautions should be taken if you are Inside the house during a thunderstorm?
Question 18 :
A charged glass rod attract a charged plastic straw. State TRUE or FALSE.
Question 19 :
Earthing is provided in buildings to protect us from electrical shocks due to any leakage of ?
Question 22 :
In an electroscope if a negatively charged body is brought in contact with the metal clip, the strips of the electroscope diverge. If now another charged object carrying equal amount of positive charge is brought in contact with the clip, what will happen?
Question 27 :
What precautions should be taken if you are outside the house during a earthquake?
Question 28 :
Which states in India where earthquakes are more likely to strike?
Question 30 :
The outermost layer of the earth is not in one piece. It is fragmented. Each fragment is called :
Question 32 :
State true or false. The process of electric discharge cannot occur between clouds and the earth.
Question 34 :
Electric current is to be passed from one body to another. For this purpose the two bodies must be joined by ___________.
Question 36 :
Lightning Conductor is a device used to protect buildings from the effect of lightning. Is it TRUE OR FALSE?
Question 37 :
The process of transferring of charge from a charged object to the earth is called
Question 39 :
Lightning conductor cannot protect a building from lightning. State TRUE or FALSE.
Question 42 :
Plastic straws A and B are rubbed with dry cotton cloth. What will happen if they are brought near each other?
Question 43 :
When a glass rod is rubbed with a piece of silk cloth the rod ________________.
Question 44 :
Which states in India where earthquakes are more likely to strike?
Question 45 :
The power of an earthquake is expressed in terms of a magnitude on a scale called
Question 47 :
What precautions would you take if lightning occurs while you are outside the house?
Question 48 :
A charged glass rod attract a charged plastic straw. State TRUE or FALSE.
Question 49 :
The process of transferring of charge from a charged object to the earth is called