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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
lightning produces a sonic boom, called thunder. True or False
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:)))))))))))
Why do we say that only repulsion is a sure test of charge ?
what are the causes of earthquake
how does electrical discharge occur in clouds ????????????????????
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.
List three states in India where earthquakes are more likely to strike
the air in the path of lightning becomes cold . true or false
what causes the earthquake?
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 two charged bodies attract or repel ?
Name the waves generated in the lithosphere of the earth due to sudden shifting of crustal rocks.
why is repulsion considered as the surest test of electrification ?
why are sparks seen on electric pole if the wire become loose?
what is the difference between conduction and induction?
which is the heaviest particle of an atom ?
How does a charged body convert into discharged body?
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.
WHAT IS LIGHTNING CONDUCTOR? WRITE ITS USES?
What are plate tectonics???
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)
what is earthing?
why are taller buildings in greater danger of being struck by lightning
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
What Is The Difference Between
EMI And EMF
explain the working of a lightning conductor?
why are taller buildings in greater danger of being struck by lightning?
Why paper strips get attracted to a plastic scale not a metal scale if rubbed with hairs???
explain in what way is lightning useful ?
what are the causes of over utilisation of natural resources?
In earthquake prone areas ,houses are usually built with wood .Why?
Which layer of the earth is fragmented?
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?
what is the difference between pith electroscope and gold leaf electroscope
Explain about electrostatic induction?
If a plastic straw is rubbed with polythene, what charge does the straw acquire?
explain the process of charging an object by friction.
please justify the statement "It might be dangerous to raise an umbrella in a storm"
A negatively charged metal sphere is fixed to a wooden stand. What will happen if it is
touched by a neutral glass rod
touched by a metal rod.
Please reply soon with explanation as I need it for tomorrow...Thank you !
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 can nature of charge be detected with the help of an electroscope. pls explain
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?
clouds can also charge tall buildings,poles,wires and trees by
(a)friction (b) conduction (c) induction (d) all of these
explain the effects of deforestation of forest soil.
Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?
how does lightning take place between the clouds?
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