Class 10 Exam > Class 10 Videos > Class 10 Science Source of energy
Class 10 Science Source of energy Video Lecture
FAQs on Class 10 Science Source of energy Video Lecture
| 1. What are the different sources of energy? |  |
Ans. The different sources of energy include fossil fuels like coal, oil, and natural gas, renewable sources like solar energy, wind energy, hydroelectric power, geothermal energy, and biomass.
| 2. How does solar energy work? | |
Ans. Solar energy works by capturing the sunlight and converting it into usable electricity through the use of solar panels. These panels contain photovoltaic cells that absorb the sunlight and generate an electric current.
| 3. What is the advantage of using renewable sources of energy? | |
Ans. The advantage of using renewable sources of energy is that they are sustainable and do not deplete natural resources. They also have a lower environmental impact compared to fossil fuels, as they produce fewer greenhouse gas emissions and pollutants.
| 4. How does hydroelectric power work? | |
Ans. Hydroelectric power works by harnessing the energy of flowing or falling water. It involves the construction of dams across rivers, which creates a reservoir of water. The stored water is then released through turbines, which spin and generate electricity.
| 5. What are the disadvantages of using fossil fuels? | |
Ans. The disadvantages of using fossil fuels include their contribution to air pollution and climate change. Burning fossil fuels releases harmful pollutants and greenhouse gases, which can lead to respiratory problems and global warming. Additionally, fossil fuels are non-renewable and will eventually run out, causing energy scarcity.
Text Transcript from Video
source of energy good morning students
good morning ma'am today means study
above the energy how can we meet you
dias use of energy ma'am can we define
the term energy yes energy energy is the
ability to do work
do you know from where do we get energy
yes ma'am
we get our energy from the phone do you
know what can we call the material which
give us the energy no ma'am the
materials which give us the energy are
called source of energy and are also
called as fuel ma'am how to select the
material as a source of energy a good
source of energy should have the
following characteristics
characteristics of good fuels first easy
to store checking easy to transport
third think and convenient to use food
does not believe the environment that is
eco-friendly let us classify the source
of fuel classification of source of
energy first
renewable resources taking non-renewable
resources like conventional resources
both non-conventional resources
renewable resources these are in
exhaustible resources that is available
in unlimited amount in nature these can
be developed in a short period of time
that is they can be used again and again
example Sun then water wood animal and
plant age non-renewable resources these
are exhaustible resources these resource
take million of year to develop
now the gift advantage of fossil fuel
first the burning of fossil fuel produce
acidic gases like sulfur dioxide and
nitrogen oxide these acidic gas will
cause acid rain which damages free and
building reduce the fertility of the
soil the monument made of marble are
damaged second the burning of fossil
fuel produce large amount of carbon
dioxide which goes into the ear leading
to global warming
third the burning of fossil fuel
produces smoke which pollutes the air
and responsible for breathing problem
for the burning of coal leaves behind a
lot of ashes which act as SPM that is
suspending particulate matter and cause
air pollution how can we reduce the
pollution due to fossil fuel there are
differing method to control pollution
you do burning of fossil first the
pollution of air caused by burning
petroleum fuel like petrol and diesel in
vehicle can be reduced by fitting the
vehicle with catalytic converter
[Music]
good morning ma'am today means study
above the energy how can we meet you
dias use of energy ma'am can we define
the term energy yes energy energy is the
ability to do work
do you know from where do we get energy
yes ma'am
we get our energy from the phone do you
know what can we call the material which
give us the energy no ma'am the
materials which give us the energy are
called source of energy and are also
called as fuel ma'am how to select the
material as a source of energy a good
source of energy should have the
following characteristics
characteristics of good fuels first easy
to store checking easy to transport
third think and convenient to use food
does not believe the environment that is
eco-friendly let us classify the source
of fuel classification of source of
energy first
renewable resources taking non-renewable
resources like conventional resources
both non-conventional resources
renewable resources these are in
exhaustible resources that is available
in unlimited amount in nature these can
be developed in a short period of time
that is they can be used again and again
example Sun then water wood animal and
plant age non-renewable resources these
are exhaustible resources these resource
take million of year to develop
now the gift advantage of fossil fuel
first the burning of fossil fuel produce
acidic gases like sulfur dioxide and
nitrogen oxide these acidic gas will
cause acid rain which damages free and
building reduce the fertility of the
soil the monument made of marble are
damaged second the burning of fossil
fuel produce large amount of carbon
dioxide which goes into the ear leading
to global warming
third the burning of fossil fuel
produces smoke which pollutes the air
and responsible for breathing problem
for the burning of coal leaves behind a
lot of ashes which act as SPM that is
suspending particulate matter and cause
air pollution how can we reduce the
pollution due to fossil fuel there are
differing method to control pollution
you do burning of fossil first the
pollution of air caused by burning
petroleum fuel like petrol and diesel in
vehicle can be reduced by fitting the
vehicle with catalytic converter
[Music]
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About this Video
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Nov 23, 2024 Last updated |
Class 10 Science Source of energy for Class 102024 is part of Class 10 preparation. The notes and questions for Class 10 Science Source of energy
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