1a
Strain is
force (a part of one's body or oneself) to make an unusually great effort.
(2)
Material used for making optical fibers
(i) Silicon Dioxide
(ii) Silica Powder
(iii) Germanium Tetrachloride
3)
-Diamagnetic material
-Paramagnetic material
-Ferromagnetic materia
(3ai)
renewable resource is a resource which can be used repeatedly and replaced naturally.
(3aii)
nonrenewable resource is a resource of economic value that cannot be readily replaced by natural means on a level equal to its consumption.
(3bi)
(i)oxygen
(ii)fresh water
(3bii)
(i)oil
(ii)natural gas
(3c)
(i)Regulated and Planned Cutting of Trees.
(ii)Control over Forest Fire.
(iii)Reforestation and Afforestation.
(v)Check over forest clearance for agricultural and habitation Purposes.
(iv)Proper Utilisation of Forest and Forests Products.
(3d)
(i) Increases soil nutrients
(ii) Improves soil structure.
(iii) Does not corrupt the soil.
(iv) Increases soil humus.
(3e)
Hb², Hb², I^a, I^o, I^o, T, t
4a)
Satellite are used for monitoring weather conditions
4b)
i)Rockets are used for space travel
ii)military uses,
iii)launching satellites into space
10a
the process by which a beam of light or other system of waves is spread out as a result of passing through a narrow aperture or across an edge, typically accompanied by interference between the wave forms produced.
10bi
the angle of incidence beyond which rays of light passing through a denser medium to the surface of a less dense medium are no longer refracted but totally reflected.
12a)
binding energy is the minimum energy that would be required to disassemble the nucleus of an atom into its component parts. These component parnucleon seutrons and protons, which are collectively called nucleons
No comments:
Post a Comment