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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 it is not advisable to carry a umbrella during lighting or thundering
explain the working and construction of electroscope
what is difference between conduction and induction???
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:)))))))))))
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
Tell 2 uses of electroscope?
List three states in India where earthquakes are more likely to strike
what causes the earthquake?
Why two bodies rubbed against each other acquire equal and opposite charges?
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 is repulsion considered as the surest test of electrification ?
what is the difference between conduction and induction?
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)
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 ..!!
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.
Define : charged objects
WHAT IS LIGHTNING CONDUCTOR? WRITE ITS USES?
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 are sparks seen on electric pole if the wire become loose?
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
why does hair of the hand raise when it is brought near a telivision screen once the tv is switched off ?
Why paper strips get attracted to a plastic scale not a metal scale if rubbed with hairs???
why are taller buildings in greater danger of being struck by lightning?
explain in what way is lightning useful ?
How does a charged body convert into discharged body?
What Is The Difference Between
EMI And EMF
how do clouds acquire huge electrical charge?
In earthquake prone areas ,houses are usually built with wood .Why?
why do signs at the petrol stations warn people not to use their cell phones while filling petrol in their cars?
what is convention ?
What will happen if someone touches the disk of a -tivly charged electroscope ?
explain the working of a lightning conductor?
what do you mean by transfer of charge?
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?
Explain about electrostatic induction?
please justify the statement "It might be dangerous to raise an umbrella in a storm"
explain how an earthquake occurs
how does electrical discharge occur in clouds ????????????????????
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?
what is charging by conduction and charging by induction ? plzz reply fast
A crackling sound is heard by taking of a sweater during winter.why?
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.
explain the effects of deforestation of forest soil.
what are the causes of over utilisation of natural resources?
what are the merits and demerits of chemistry in environment?
what is the difference between a biological nitrogen fixation and atmospheric nitrogen fixation?
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