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What is CLOUD BURST & why does it occurs ?????
How does a charged body convert into discharged body?
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:)))))))))))
equal and opposite charges are produced during electrification. True or False
what are the causes of earthquake
A substance in gaseous form is being cooled to solid state. Its temperature will remain constant when the substance is
(i) in condensing phase
(ii) in freezing phase
(iii) at thermal equilibrium with the environment.
A. (i) only B. (iii) only
C. (i) and (ii) only D. (i), (ii) and (iii)
Tell 2 uses of electroscope?
what is the difference between pith electroscope and gold leaf electroscope
List three states in India where earthquakes are more likely to strike
what causes the earthquake?
what are tactonic plates?
Sometimes a crackling sound is heard while taking off a sweater during winters. Explain.
why it is not advisable to carry a umbrella during lighting or thundering
Why do we say that only repulsion is a sure test of charge ?
why is repulsion considered as the surest test of electrification ?
Why two bodies rubbed against each other acquire equal and opposite charges?
what is the difference between conduction and induction?
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.
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 ..!!
WHY DID THE SPARKS COME WHEN WE RUB TWO STONES TOGETHER??
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.
write about the internal structure of earth......please fast.......dont take so much time......need it within a hour........and explain briefly...PLEASE......
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?
1. Each fragment of the outermost layer of earth is known as -------------------------
2.What useful changes are caused by earthquakes?
why are taller buildings in greater danger of being struck by lightning
What will happen if someone touches the disk of a -tivly charged electroscope ?
what are the effects of earthquake?
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
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
which of these can be charged by static electricity? how?
explain the working of a lightning conductor?
If a plastic straw is rubbed with polythene, what charge does the straw acquire?
why are taller buildings in greater danger of being struck by lightning?
What Is The Difference Between
EMI And EMF
How can nature of charge be detected with the help of an electroscope. pls explain
explain in what way is lightning useful ?
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?
is it safe for the electrician to carry out electrical repairs outdoors during heavy downpour???why/why not???
Explain about electrostatic induction?
the air in the path of lightning becomes cold . true or false
how does electrical discharge occur in clouds ????????????????????
why unlike charges attract each other????
please justify the statement "It might be dangerous to raise an umbrella in a storm"
what is the difference between The pith-ball electroscope and the gold-leaf electroscope?
Raju was able to charge a plastic comb by rubbing it in his dry hair, but not a metal comb. Why?
how the earthquakes causes fire?
explain how an earthquake occurs
explain the process of charging an object by friction.
how lightning occurs between two clouds during a storm?
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 exactly is electrical induction?
what are the causes of over utilisation of natural resources?
what is the exact meaning of lightning :p
how does lightning take place between the clouds?
what is the difference between seismic waves and tremors ???
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