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distinguish between renewable and non renewable resources?
Q. what is conventional source and non-convemtional sources of energy ?
Explain the structure and function of biogas plant
The Process of conversion of wood into coal by biochemical process, taking over millions of years, is called ______________
name the two elements present in both cng and petroleum
What type of energy conversion takes place when a bullet is fired from a rifle?
Explain construction and working of a biogas plant with labeled diagram.
What are primary and secondary fuels? To which class of fuel do the following belong: coke, wood, petroleum, LPG?
what is the difference between bio-mass and bio-gas
Why are solar cookers covered by a glass plate?
all ores are minerals but all minerals are not ores.justify
what is soda -acid fire extinguisher
Draw a flowchart to represent the conversion of energy in a hydroelectric power plant
explain the working and principle of a hydroelectric powerplant
How does biogas plant help to reduce the problem of pollution?
Advantages and disadvantages of solar energy.???
List 3 advantages and disadvantages of constructing a dam on a river.
what is solar constant? how to calculate it?
why d solar cooker cannot be used for frying or making of chapattis?
why is there a need to harness non conventional sources of energy?????
What are the disadvantages and advantages of nuclear energy
a child uses a semi conductor device in listening radio and seeing pictures on t.v. he asked to suggest the techniques as the cost of lpg/cng is going up, to cope up with future situations.what are the values developed by the child?
what may be the suitable semi conductor material used for utilization of maximum solar energy with reason?
explain the working of a windmill?
Calculate the amount of heat required to convert 5kg of ice at 0degree Celcius to vapor at 100 degree Celcius?
options are :
1) 1.5 x 107
2) 2.5 x 107
3) 3.5 x 107
4) 4.5 x 107
Explain the main purpose of using plane mirrors in solar cookers
how electricity is produced in solar power plant ?
what is geothermal energy
A box of mass 2 kg has an initial speed of 10m/s at the foot of a ramp. Given that the friction along the ramp is 2N find the height h that the box reaches when its speed is 5 m/s. (Take g=10m/s2)
has been used as a rocket fuel. Would you consider it a cleaner fuel
than CNG? Why or why not?
Explain the working of a thermal power plant
State any 3 reasons to justify that LPG is considered an ideal fuel.
What are limitations of tidal & wave energy?
Mark the places in the map where coal petroleum and natural gas are found
Why are nuclear fuels not conventional sources but non-renewable sources of energy?
name any two elements that are used in fabricating solar cell. plz someone answer
list two advantages of using biogas over fossil fuel
What is the difference between Petroleum and Petrol?
download power point presentation for class 10th cce cbse science lesson14
What is the advantages & disadvantages of charcoal?
What r the environmental consequences of the increasing demand of energy ?
why are thermal power plants set up near coal or oil fields
explain why calcium metal after reactin with water starts floating on its surface. write the chemical reaction for its reaction
what is the disadvantages of biogas plant ?
what is difference between nuclear fission & nuclear fusion ? give the answer pointwise in a tabular form ?
Which of following causes the least pollution when burnt?
(A) petrol (B) diesel
(C) coal (D) natural gas
Q4) what are the advantages and disadvantages of wind energy ?
differentiate between thermal power plant and hydro power plant?
advantages and disadvantages of nuclear energy,
Reuse of material is considered better than "RECYCLING". Why?
Compare and contrast hydroelectricity and biomass as sources of energy. List as many differences as possible.
What is calorific value?
Can any source of energy be pollution-free? Why or why not?
advantages and disadvantages of solar cooker
which of the following is not ultimately derived from sun's energy
Give any 5 advantages and disadvantages of solar cooker
y is CNG considered an environmental friendly fuel??
What are the environmental consequences of the increasing element for energy? What steps would
Describe how hydroenergy can be converted into electrical energy. write any 2 limitations of hydroenergy.
Why is biogas considered an ideal fuel for domestic use?
what is the principle working windmill ?
What are the uses of solar energy
how to make a simple working model of a solar cooker
write a short note on tidal energy
Q.1.The cost of production of electricity in a thermal power station located inBihar/Jharkhand/Orissa is less than in Gujarat/Maharashtra.Do you agree? Justify your answer.
What is coke coal tar and coal gas also give their uses?
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