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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.
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?
which of these can be charged by static electricity? how?
List three states in India where earthquakes are more likely to strike
why are sparks seen on electric pole if the wire become loose?
what causes the earthquake?
Sometimes a crackling sound is heard while taking off a sweater during winters. Explain.
Why paper strips get attracted to a plastic scale not a metal scale if rubbed with hairs???
why it is not advisable to carry a umbrella during lighting or thundering
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
Why do we say that only repulsion is a sure test of charge ?
what is the difference between The pith-ball electroscope and the gold-leaf electroscope?
Explain - (i) charging by induction (ii) charging by conduction (iii) charging by friction.
why is repulsion considered as the surest test of electrification ?
what is the difference between conduction and induction?
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.
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 ..!!
Explain about electrostatic induction?
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.
Raju was able to charge a plastic comb by rubbing it in his dry hair, but not a metal comb. Why?
WHAT IS LIGHTNING CONDUCTOR? WRITE ITS USES?
What are plate tectonics???
what is earthing?
what is charging by conduction and charging by induction ? plzz reply fast
why are taller buildings in greater danger of being struck by lightning
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
Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?
explain the working of a lightning conductor?
how does electrical discharge occur in clouds ????????????????????
why are taller buildings in greater danger of being struck by lightning?
why bacteria and viruses are considered as "Immortal"?
What Is The Difference Between
EMI And EMF
explain in what way is lightning useful ?
In earthquake prone areas ,houses are usually built with wood .Why?
what is convention ?
what are the different types of volcanoes?
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?
why do signs at the petrol stations warn people not to use their cell phones while filling petrol in their cars?
What is an atom really made up of?It is made up of neutrons,protons and electrons,but what is the material that makes up an atom.A cell wall is made up of cellulose but what is an atom made up of ?
Or is an atom figured ot with size(i.e.any thing the size of an atom is an atom.)??
please justify the statement "It might be dangerous to raise an umbrella in a storm"
WHAT IS FOCUS
explain how an earthquake occurs
What is the use of the rubber stopper in a gold-leaf electroscope??
how lightning occurs between two clouds during a storm?
what is sesmic zones
what is difference between conduction and induction???
why are wooden base and tin foil used in gold leaf electoscope? (tin is not used as leaves which diverge)
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?
how does lightning take place between the clouds?
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