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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:)))))))))))
which of these can be charged by static electricity? how?
what are the causes of earthquake
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
Tell 2 uses of electroscope?
List three states in India where earthquakes are more likely to strike
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 !
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
how does electrical discharge occur in clouds ????????????????????
Why do we say that only repulsion is a sure test of charge ?
why are sparks seen on electric pole if the wire become loose?
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 is repulsion considered as the surest test of electrification ?
The inside part of a fruit such as an orange conducts electricity. What enables it to conduct electricity? PLEASE ANSWER IT URGENTLY FOR I HAVE A SCIENCE EXAM TOMORROW.
what is the difference between conduction and induction?
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 ..!!
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.
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?
why do signs at the petrol stations warn people not to use their cell phones while filling petrol in their cars?
What are plate tectonics???
what is earthing?
why are taller buildings in greater danger of being struck by lightning
Why does positive charge accumulate on the upper clouds and negative charge on the lower ones? How do we knoe about what charge is accumulated where??
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
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?
explain in what way is lightning useful ?
In earthquake prone areas ,houses are usually built with wood .Why?
Explain about electrostatic induction?
what is convention ?
what is a bone marrow? give its main functions
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)
the air in the path of lightning becomes cold . true or false
Construction engineers and architects need to be familiar with earthquakes. Why?
1. Each fragment of the outermost layer of earth is known as -------------------------
2.What useful changes are caused by earthquakes?
What will happen if someone touches the disk of a -tivly charged electroscope ?
please justify the statement "It might be dangerous to raise an umbrella in a storm"
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)
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?
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?
explain the effects of deforestation of forest soil.
why should we not use the lift during an earthquake?
what are the causes of over utilisation of natural resources?
what will happen if we open water tap and adjust the flow that it forms a thin stream,charge a refill and bring it near the water stream. please write a short note
how does lightning take place between the clouds?
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