Select Board & Class
distinguish between renewable and non renewable resources?
Q. what is conventional source and non-convemtional sources of 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)
Explain the structure and function of biogas plant
What type of energy conversion takes place when a bullet is fired from a rifle?
name the two elements present in both cng and petroleum
what is the difference between biomass and fossil fuels?
Explain construction and working of a biogas plant with labeled diagram.
what is an electric motor? name and state the principle on which electric motor works. list two factors on which the direction of motion or force depends. state the condition under which the force experienced by a current carrying conductor placed in a magnetic field is maximum.
what is the difference between bio-mass and bio-gas
Draw a flowchart to represent the conversion of energy in a hydroelectric power plant
Why are solar cookers covered by a glass plate?
y is CNG considered an environmental friendly fuel??
all ores are minerals but all minerals are not ores.justify
what is soda -acid fire extinguisher
explain the working and principle of a hydroelectric powerplant
The Process of conversion of wood into coal by biochemical process, taking over millions of years, is called ______________
Advantages and disadvantages of solar energy.???
List 3 advantages and disadvantages of constructing a dam on a river.
Q4) what are the advantages and disadvantages of wind energy ?
what is solar constant? how to calculate it?
why is there a need to harness non conventional sources of energy?????
A certain force applied to a body A gives it an acceleration of 10 m/s^2. The same force applied to body B gives
What are the disadvantages and advantages of nuclear energy
Resistances of three resistors are given as R1 = 10 Ω, R2 =20 Ω and R3 =30 Ω. Calculate theeffective resistance when they are connected in series. Also calculate the current flowing whenthe combination is connected to a 6V battery.
explain the working of a windmill?
What are primary and secondary fuels? To which class of fuel do the following belong: coke, wood, petroleum, LPG?
Explain the main purpose of using plane mirrors in solar cookers
what is geothermal energy
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
adavantages of solar energy
What are limitations of tidal & wave energy?
Mark the places in the map where coal petroleum and natural gas are found
advantages and disadvantages of solar cooker
name any two elements that are used in fabricating solar cell. plz someone answer
What is the difference between Petroleum and Petrol?
download power point presentation for class 10th cce cbse science lesson14
Give two disadvantage of non-conventional energy sources. (Physics)
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
how electricity is produced in solar power plant ?
explain why calcium metal after reactin with water starts floating on its surface. write the chemical reaction for its reaction
explain me how that 1 atomic mass unit is equivalent to about 931 mega electron volts ???
How does biogas plant help to reduce the problem of pollution?
~~Which of these rays produce heating effect?
(1) Ultra-violet rays
(2) Visible rays(3) Infra-red rays
how infra red? xn't it be uv rays
what is the disadvantages of biogas plant ?
what is difference between nuclear fission & nuclear fusion ? give the answer pointwise in a tabular form ?
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.
Can any source of energy be pollution-free? Why or why not?
List three distinguishing features between fossil fuels and solar energy
which of the following is not ultimately derived from sun's energy
explain all the conventional and non-conventional sources of energy within 600 words
Give any 5 advantages and disadvantages of solar cooker
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 ?
define nuclear energy.
What are the uses of solar energy
Debate the following two issues inclass.
(a) The estimated coal reserves are said to be enough to last us for another two hundred years. Do you think we need to worry about coal getting depleted in this case ? Why or why not ?
(b) it is estimated that the sun will last for another five billion years. Do we need to worry about solar energy getting exhausted ? Why or why not ?
On the basis of the debate, decide which energy sources can be considered (i) exhaustible, (ii) inexhaustible, (iii) renewable and (iv) non-renewable. Give your reasons for each coice.
how to make a simple working model of a solar cooker
write a short note on tidal energy
list two advantages of using biogas over fossil fuel
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
Copyright © 2022 Aakash EduTech Pvt. Ltd. All rights reserved.
E.g: 9876543210, 01112345678
We will give you a call shortly, Thank You
Office hours: 9:00 am to 9:00 pm IST (7 days a week)