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Yogita Ingle 5 years, 4 months ago
Rights are legal and moral entitlements or claims of a person over other fellow beings, over society and over the government. A claim cannot become a right unless it is recognized by society. Claims that are recognized by society as rightful form the basis of rights. With changing times, the scope and meaning of rights also changes. Claims need to be reasonable, recognized by society and sanctioned by law. Rights are the basic requirement to sustain a democracy.
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Dεερακ Ȿιηɠꜧ 5 years, 4 months ago
1s<2s<2p<3s<3p<4s<3d<4p<5s<4d
Consept:
Find n+l,
if two (n+l) become same then choose the orbital whose 'n' is lowest to find the lower energy orbital,
That's all ....
Azra Parveen Parveen 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Commerce is the control of business among economic agents. Usually, it refers to the exchange of commodities, services or items of value, among companies or entities.
The significance of Commerce are:
- Commerce acts as a catalyst between the manufacturers and customers.
- It establishes employment opportunities.
- It encourages trade in the global level.
- Assists in the growth of developing the industries.
- Helps during exigencies like the natural calamities – earthquake, flood, drought etc.
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Yogita Ingle 5 years, 4 months ago
- The shadow zone is the zone of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves.
- The shadow zone results from P waves being refracted by the liquid core and S waves being stopped completely by the liquid core.
- A zone between 105° and 145° from the epicenter was recognized as the shadow zone for both the wave types.
- The entire zone beyond 105° does not receive S-waves.
- The shadow zone of S-wave is larger than that of the P-waves.
- The shadow zone of P-waves appears as a band around the earth between 105° and 145° away from the epicenter.
Posted by Sumit Kumar 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
There are four different types of earthquakes: Tectonic, volcanic, collapse and explosion.
- A tectonic earthquake is one that occurs when the earth's crust breaks due to geological forces on rocks and adjoining plates that cause physical and chemical changes.
- A volcanic earthquake is any earthquake that results from tectonic forces which occur in conjunction with volcanic activity.
- A collapse earthquake are small earthquakes in underground caverns and mines that are caused by seismic waves produced from the explosion of rock on the surface.
- An explosion earthquake is an earthquake that is the result of the detonation of a nuclear and/or chemical device.
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Yogita Ingle 5 years, 4 months ago
- In diatoms the cell walls form two thin overlapping shells embedded with silica.
- diatoms have left behind large amount of cell wall deposits in their habitat, which accumulated over billions of years is referred to as ‘diatomaceous earth’ .
- Most of them are photosynthetic and are the chief ‘producers’ in the oceans.
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Yogita Ingle 5 years, 4 months ago
Analysis of properties of matter indirectly provides information about the interior
- Meteors
- Gravitation
- Magnetic field
- Seismic Activity.
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Yogita Ingle 5 years, 4 months ago
Considering two waves, travelling simultaneously along the same stretched string in opposite directions as shown in the figure above. We can see images of <a href="https://byjus.com/physics/wave-theory-of-light/">waveforms</a> in the string at each instant of time. It is observed that the net displacement of any element of the string at a given time is the algebraic sum of the displacements due to each wave.
Let us say two waves are travelling alone and the displacements of any element of these two waves can be represented by y1(x, t) and y2(x, t). When these two waves overlap, the resultant displacement can be given as y(x,t).
Mathematically, y (x, t) = y1(x, t) + y2(x, t)
As per the principle of superposition, we can add the overlapped waves algebraically to produce a resultant wave. Let us say the wave functions of the moving waves are
y1 = f1(x–vt),
y2 = f2(x–vt)
yn = fn (x–vt)
then the wave function describing the disturbance in the medium can be described as
y = f1(x – vt)+ f2(x – vt)+ …+ fn(x – vt)
or, y=∑ i=1 to n = fi (x−vt)
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