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Ashutosh Saini
Subject: Science
, asked on 15/3/18
How to bio gas is also use to produce electricity?
Answer
2
Champ Jee
Subject: Science
, asked on 15/3/18
Give the constituents of bio gas.
Answer
4
Samyuktha M. S
Subject: Science
, asked on 14/3/18
Solve this:
4. Draw a neat diagram to show the refraction of a light ray through glass prism, and label on it the angle of incidence, and angle of deviation.
5. Why does the sun appear reddish early in the morning ? Illustrate with the help of a labelled diagram.
6. (a) "Sun is the ultimate source of energy of fossil fuels." Justify this statement.
(b) Write two disadvantages of using fossil fuels.
7. Differentiate between self and cross-pollination.
8. A needle placed 45 cm from a lens forms an image on a screen placed 90 cm on the.
Answer
6
Malika Bansal
Subject: Science
, asked on 13/3/18
What are non conventional sources of energy?
Answer
1
Malika Bansal
Subject: Science
, asked on 13/3/18
Is wood a bio mass?
Answer
1
Bilal
Subject: Science
, asked on 13/3/18
Should we learn thermoelectric production for class 10 boards ?
Answer
1
Anusha Prince
Subject: Science
, asked on 13/3/18
What is likely to asked from sources of energy in the board exam?
Answer
1
Sanchit Mehta
Subject: Science
, asked on 13/3/18
how much of the energy in burning coal reaches human as electricity
Answer
1
Sanchit Mehta
Subject: Science
, asked on 13/3/18
gasoline is product of which fossil fuel
Answer
2
Himani
Subject: Science
, asked on 13/3/18
Why hydroenergy is conventional sources of energy?????
Answer
3
Aditya Anand
Subject: Science
, asked on 12/3/18
is the diagram of Biogas Plant important and can it come to draw it in the exam
Answer
2
Aqsa
Subject: Science
, asked on 9/3/18
which all diagrams shud we study for sources of energy
Answer
3
S.s.shri Darshini
Subject: Science
, asked on 6/3/18
is methane good or bad for the environment ? (in one part of the book it is given that large amounts of methane is released which is a disadvantage and it is also written that bio gas is a excellent fuel which contains upto 75% of methane)
Answer
2
Nazreen
Subject: Science
, asked on 28/2/18
biomass and hydropower plant are both renewable and conventional source of energy. State the advantages of generating energy from them.
Answer
1
Khushi Jain
Subject: Science
, asked on 28/2/18
There is no figure in q-87..How ti give the answer then?
Answer
1
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What are you looking for?
4. Draw a neat diagram to show the refraction of a light ray through glass prism, and label on it the angle of incidence, and angle of deviation.
5. Why does the sun appear reddish early in the morning ? Illustrate with the help of a labelled diagram.
6. (a) "Sun is the ultimate source of energy of fossil fuels." Justify this statement.
(b) Write two disadvantages of using fossil fuels.
7. Differentiate between self and cross-pollination.
8. A needle placed 45 cm from a lens forms an image on a screen placed 90 cm on the.