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What is CLOUD BURST & why does it occurs ?????
Why two bodies rubbed against each other acquire equal and opposite charges?
How does an earthquake occur in nature? list some destructive and some constructive consequences of the earthquake.
which of these can be charged by static electricity? how?
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:)))))))))))
what are the causes of earthquake
Tell 2 uses of electroscope?
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.
clouds can also charge tall buildings,poles,wires and trees by
(a)friction (b) conduction (c) induction (d) all of these
List three states in India where earthquakes are more likely to strike
Why do we say that only repulsion is a sure test of charge ?
what causes the earthquake?
how does electrical discharge occur in clouds ????????????????????
Sometimes a crackling sound is heard while taking off a sweater during winters. Explain.
Why do two charged bodies attract or repel ?
why it is not advisable to carry a umbrella during lighting or thundering
equal and opposite charges are produced during electrification. True or False
why is repulsion considered as the surest test of electrification ?
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.
what is the difference between conduction and induction?
why are sparks seen on electric pole if the wire become loose?
which is the heaviest particle of an atom ?
why do we say that richter scale is not a linear scale ??? plzz if u know tell me fast ..!!
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.
Which layer of the earth is fragmented?
WHAT IS LIGHTNING CONDUCTOR? WRITE ITS USES?
What are plate tectonics???
1. Each fragment of the outermost layer of earth is known as -------------------------
2.What useful changes are caused by earthquakes?
what is earthing?
why are taller buildings in greater danger of being struck by lightning
what are the effects of earthquake?
How can nature of charge be detected with the help of an electroscope. pls explain
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
why do signs at the petrol stations warn people not to use their cell phones while filling petrol in their cars?
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 paper strips get attracted to a plastic scale not a metal scale if rubbed with hairs???
explain the working of a lightning conductor?
why are taller buildings in greater danger of being struck by lightning?
What Is The Difference Between
EMI And EMF
how many types of tectonic plates did we have in our earth? name them. plz fast
explain in what way is lightning useful ?
What is a lightning conductor ? How does lightning conductor prevent damage to buildings during lightning ?
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)
Name the waves generated in the lithosphere of the earth due to sudden shifting of crustal rocks.
Construction engineers and architects need to be familiar with earthquakes. Why?
write about the internal structure of earth......please fast.......dont take so much time......need it within a hour........and explain briefly...PLEASE......
Explain about electrostatic induction?
please justify the statement "It might be dangerous to raise an umbrella in a storm"
the air in the path of lightning becomes cold . true or false
Raju was able to charge a plastic comb by rubbing it in his dry hair, but not a metal comb. Why?
explain how an earthquake occurs
how lightning occurs between two clouds during a storm?
why firement shut off electricity connection of a house which has caught fire??
what is difference between conduction and induction???
A crackling sound is heard by taking of a sweater during winter.why?
what is the difference between pith electroscope and gold leaf electroscope
explain the effects of deforestation of forest soil.
The process of discharging atmospheric electricity into the earth by a lightning conductor is called ..................
what are the causes of over utilisation of natural resources?
how does lightning take place between the clouds?
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