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What is CLOUD BURST & why does it occurs ?????
How does an earthquake occur in nature? list some destructive and some constructive consequences of the earthquake.
explain the working and construction of electroscope
Draw a labeled diagram of a gold leaf electroscope. describe how will you use it to detect a charge, measure a charge,and find the nature of charge.
i hope you will answer it fast.....!!1:)))))))))))
Sometimes a crackling sound is heard while taking off a sweater during winters. Explain.
what are the causes of earthquake
Tell 2 uses of electroscope?
why it is not advisable to carry a umbrella during lighting or thundering
List three states in India where earthquakes are more likely to strike
what causes the earthquake?
how lightning occurs between two clouds during a storm?
why is repulsion considered as the surest test of electrification ?
Why do we say that only repulsion is a sure test of charge ?
how does lightning take place between the clouds?
Why two bodies rubbed against each other acquire equal and opposite charges?
how does electrical discharge occur in clouds ????????????????????
what is the difference between conduction and induction?
which is the heaviest particle of an atom ?
The force with which two similar charges repel each other depends on the __________ charge they carry.
When lightning strikes, a ____________ wave get produced in the intervening air.
When we take off woollen or synthetic clothes sometimes we hear a crackling sound.
It might be dangerous to raise an umbrella over our head in a thunder storm.
A car with closed windows is a safe place during lightning.
Give the order of potential difference between the earth and a charged cloud during lighting.
why do we say that richter scale is not a linear scale ??? plzz if u know tell me fast ..!!
1. Each fragment of the outermost layer of earth is known as -------------------------
2.What useful changes are caused by earthquakes?
1. Explain the following : (a) Nylon clothing crackles as you undress.
(b) TV screens soon become very dusty.
(c) It might be dangerous to raise an umberella in a storm.
(d) A rubbed balloon will stick to the wall for sometimes.
2. Explain the role of a lightning conductor in protecting a tall building from lightning.
3. Can the electrostatic charges be stored ? If so how ?
4. The top of a lightning conductor is always higher than the top of the building. Give Reason.
WHAT IS LIGHTNING CONDUCTOR? WRITE ITS USES?
What are plate tectonics???
When a positively charged body is brought near an uncharged metal rod, the part of the rod near the charged body acquires a negative charge, and the far side a positive charge. Can you say why this happens? Remember that in a body negative charge are mobile whereas positive charge are fixed.
what is earthing?
why are taller buildings in greater danger of being struck by lightning
Define : charged objects
what are the effects of earthquake?
what are areas prone to earthquakes both in india and world?
please send answer fast because i have to submit my copy on 20/12/12
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
why are taller buildings in greater danger of being struck by lightning?
explain in what way is lightning useful ?
explain the working of a lightning conductor?
which of these can be charged by static electricity? how?
What Is The Difference Between
EMI And EMF
In earthquake prone areas ,houses are usually built with wood .Why?
what is convention ?
Q1) state 2 uses of electroscope
Q2) TV screens become dusty very soon.why?
Q3) why is the upper end of the lightning conductor is made into a trishul?
(respected experts pls fast ai have a test on monday)
Construction engineers and architects need to be familiar with earthquakes. Why?
Explain about electrostatic induction?
please justify the statement "It might be dangerous to raise an umbrella in a storm"
explain how an earthquake occurs
Raju was able to charge a plastic comb by rubbing it in his dry hair, but not a metal comb. Why?
make your own charge detector.take a paper strip roughly 10cm*3cm.give it a shape .balance it on a needle .bring a charged body near it. observe what happened.write a brief report ,explaining its working.
what is the difference between electric discharge and earthing
what is difference between conduction and induction???
A crackling sound is heard by taking of a sweater during winter.why?
explain the effects of deforestation of forest soil.
what are the causes of over utilisation of natural resources?
what are the merits and demerits of chemistry in environment?
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