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What is CLOUD BURST & why does it occurs ?????
How does an earthquake occur in nature? list some destructive and some constructive consequences of the earthquake.
why is repulsion considered as the surest test of electrification ?
explain the working and construction 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.
what are the causes of earthquake
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 signs at the petrol stations warn people not to use their cell phones while filling petrol in their cars?
Tell 2 uses of electroscope?
make your own charge detector.take a paper strip roughly 10cm*3cm.give it a shape .balance it on a needle .bring a charged body near it. observe what happened.write a brief report ,explaining its working.
is it more likely that a person can be stuck by lightning while standing below a tall tree rather than a short one
List three states in India where earthquakes are more likely to strike
what causes the earthquake?
Sometimes a crackling sound is heard while taking off a sweater during winters. Explain.
Why do we say that only repulsion is a sure test of charge ?
why it is not advisable to carry a umbrella during lighting or thundering
what is the difference between conduction and induction?
which is the heaviest particle of an atom ?
why are taller buildings in greater danger of being struck by lightning?
Why two bodies rubbed against each other acquire equal and opposite charges?
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 richter scale is not a linear scale ??? plzz if u know tell me fast ..!!
why most of the earthquakes are not even felt
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?
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 are plate tectonics???
what is earthing?
why are taller buildings in greater danger of being struck by lightning
what are the effects of earthquake?
why firement shut off electricity connection of a house which has caught fire??
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 will happen when a refill is rubbed with a polythene,woollen cloth
explain in what way is lightning useful ?
In earthquake prone areas ,houses are usually built with wood .Why?
What Is The Difference Between
EMI And EMF
what is convention ?
explain the working of a lightning conductor?
Construction engineers and architects need to be familiar with earthquakes. Why?
I Wanted To Noe Tht Y R We Not Supposed To Stand Under D Tree During A Lightning? Plz Explain It in A Long Answer so Tht I Can Understand It Propery!!! I Also wanted To Noe Abt Lightning Conductors!! I Didnt Understand Tht Too!!
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)
Explain about electrostatic induction?
please justify the statement "It might be dangerous to raise an umbrella in a storm"
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?
open a water tap. adjust the flow so that it forms a thin stream. charge a refill. bring it near the water stream. observe what happens. write a short report on the activity.
plzzz help me!!
how does electrical discharge occur in clouds ????????????????????
A crackling sound is heard by taking of a sweater during winter.why?
how lightning occurs between two clouds during a storm?
explain the effects of deforestation of forest soil.
what are the merits and demerits of chemistry in environment?
what is the differences between lightning and earthquake
what are the causes of over utilisation of natural resources?
why are sparks seen on electric pole if the wire become loose?
what is the difference between a biological nitrogen fixation and atmospheric nitrogen fixation?
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