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Sia ? 6 years, 8 months ago
Since the Cold War did not eliminate rivalries between the two alliances there were mutual suspicions between them. This led to an arms race. Huge stock of arms was considered necessary to prevent wars from taking place. Both USA and USSR wanted to prove their supremacy on the global stage. The two opposite bloc were sceptical to each other about their nuclear arsenals which led them to produce more and more nuclear weapons for their safeguard. On the other hand, both the sides understood that in spite of restraint, the war might occur due to the following reasons:
- Miscalculation of the number of weapons in the possession of the other camp.
- Misunderstanding the intentions of the other side.
- A nuclear accident by mistake or by a soldier mischievously to start a war.
Thus, both the powers - the US and the Soviet Union - decided to limit or eliminate certain kinds of nuclear and non-nuclear weapons to maintain a stable balance of weapons. Starting in the 1960s, three treaties were signed. These were the Limited Test Ban Treaty, the Nuclear Non-Proliferation Treaty, and the Anti-Ballistic Missile Treaty. Thereafter, the superpowers held several rounds of arms limitation talks and signed several more treaties to limit their arms.
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Sia ? 6 years, 8 months ago
we have, xy =1
{tex} \Rightarrow y = \frac{1}{x}{/tex}
{tex}\therefore\ \frac{dy}{dx}=-\frac{1}{x^2}{/tex}
The slope of the normal ={tex}x^2{/tex}
If ax+by+c=0 is normal to the curve xy=1,then
{tex}x^2=-\frac{a}{b} \ [\because slope\ of\ normal\ =-\frac{coeff.\ of\ x}{coeff. of\ y}]{/tex}
{tex}\therefore \; - \frac{a}{b} > 0{/tex}
{tex}\Rightarrow\ a>0,b<0 \ or\ a<0,b>0{/tex}
Posted by Chayanika Deka 6 years, 8 months ago
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Biopiracy is the practice of commercially exploiting naturally occurring biochemical or genetic material, especially by obtaining patents that restrict its future use, while failing to pay fair compensation to the community from which it originates.
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When Hana noticed the deep red scars on the American soldier's neck, she worriedly hoped that he had not been tortured by the Japanese. She knew it was a common practice for the Japanese to torture their prisoners of war in the most brutal manner. This also reminded her of General Takima, who used to beat his wife. The thought of General Takima, who was cruel to his wife, torturing the prisoner made her shudder with fear.
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Yogita Ingle 6 years, 8 months ago
Advantage- in this, young one develop inside body of female and so gets better nourishment,proper development and better chances of survival.
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Check NCERT Solutions here : https://mycbseguide.com/ncert-solutions.html
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Given that,
Angle of dip, {tex}\delta = 60^\circ = \frac{\pi }{3}{/tex}
and horizontal component of the earth's magnetic field is,
BH = 0.4 G (G=10-4 T)
BH = 0.4 {tex}\times{/tex} 10-4 T
Magnetic field of earth (B) =?
{tex}\because {/tex} Horizontal component of the earth's magnetic field,
{tex}B_H = B cos \delta{/tex}
{tex}B = \frac { B_H } { \cos \delta } \\ B = \frac { 0.4 \ \times\ 10^{-4} \ T } { \cos 60 ^ { \circ } } \\ B = \frac { 0.4 \ \times\ 10^{-4} \ T } { 1 / 2 } \\ \therefore B = 0.8 \ \times\ 10^{-4} \ T \\ \therefore B = 8 \ \times\ 10^{-5} \ T{/tex}
Posted by Siya Jain 6 years, 8 months ago
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Aldehydes and Ketones having at least one alpha-hydrogen undergo a reaction in the presence of dilute alkali as catalysts to form Beta-hydroxy aldehydes (aldol) or Beta-hydroxy ketones (ketol), respectively. This is known as Aldol Condensation reaction. Example is shown below:
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In Biology, Diagrams and presenting answers in the form of equations are very important. Any question, the diagram and the description each part carries generally 50% of marks of that particular question.
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