The figure shows a running track.A boy runs along the boundary.Find the distance covered in one round.​

Explanation:

When people make an assessment of a teaching institution, the usual statistics will show its population size, its average success rate relative to the next high school or next university, and matters relate d to funding and facility. It is due to this that a main problem which I believe has an actual direct effect on the teaching & learning capability institution is missed out on. This problem would mean great impact on the learning curve and capacity of the student to focus and maximize the facilities given by the institution no matter how good they may be.

In common terms, we call it peer pressure. I believe in fact that it is because this is so common an experience that people may downplay its actual effect on a student or turn a blind eye to what it can do. In my own experience through earlier years I stood witness to this. It could be something as simple as people being pushed around in the hallway because their growth spurt was late and they were shorter than everyone else. Or, people being teased because their pants were too short or their clothes didn’t match.

These issues seem childish and light, however considering the emotional makeup of a growing child or adolescent at this point, these can birth insecurities that scar one’s capacity to bloom later on. Are these incidents common? Absolutely. In fact, it is because they are common that they are missed out on. Schools will focus on building a new gym, or increasing the number of books to be read, or fine tuning the arithmetic and language curriculum. Now, don’t get me wrong. These things are very important in the quality of the individual. However, the school’s output is only one side of the coin.

Peer pressure, a silent destroyer.

Explanation-

• Peers play a very important role in everyone’s life. Peers reflect the type of people you are or the person who you want to be. Every person from each generation has their peers and they all are different from each other, sometimes they influence the good in us and sometimes they create the worst monsters out of us.
• Peer pressure can affect a person in every possible way one can ever think of. Peer pressure is when one does something to be accepted by their friends and can be valued on the amount of that and on their saying or demand. Coping mechanism of peer pressure is a real challenge because people need to balance their own self and standing out and shining to the world while fitting in with the group. Peer pressure mostly affects the kids and teens the most and especially bad influences could be found around. During these ages of a person he/she feels the need to fit in with the society the most and does anything for it with no or less knowledge of what is good or bad for them.
• Peer pressure, is known to be a silent destroyer as it ends or lowers he thinking or imagination power of the people who are in the influence and the do whatever their peers ask them to do and this affects the person deeply as this mostly happens during the crucial periods of time when a person shapes or starts to shape his personality and a bad peer pressure may make the person do wrong things.

Explanation:

pH=6

∴H

+

=10

−6

M

After dilution [H

+

]=

1000

10

−6

=10

−9

M

∴[H

+

] from H

2

O cannot be neglected.

Total [H

+

]=10

−9

+10

−7

=10

−7

(10

−2

+1)

=10

−7

(1.01)

pH=−log(1.01×10

−7

)

=7−0.0043

=6.9957

Given: The equilibrium constant for reaction 1/2A2+1/2B2⇌AB is k.

To find: We have to find the equilibrium constant for [tex]A_2+B_2⇌2AB[/tex].

Solution:

The given reaction is [tex]1/2A_2+1/2B_2⇌AB[/tex].

The equilibrium constant for this reaction is k.

k is given as-

[tex]k=\dfrac {[AB]}{[A_2]^{1/2}[B_2]^{1/2}}[/tex].

The other reaction is [tex]A_2+B_2⇌2AB[/tex].

Let the equilibrium constant for this reaction be K.

So, the equilibrium constant is given as-

[tex]K=\dfrac {[AB]^2}{[A_2][B_2]}[/tex]

Taking square root in both sides we get-

[tex]√K=\dfrac {[AB]}{[A_2]^{1/2}[B_2]^{1/2}}[/tex]

[tex]√K=k[/tex]

[tex]K=k^2[/tex]

The value of the equilibrium constant is [tex]k^2[/tex].

Answer:

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