In a region of only gravitational field of mass 'M' a particle is shifted from A to B via three different paths in the figure. The work done in different paths are W₁, W₂, W₃ respectively then (a) W₁ = W₂ = W₃ (b) W₁ > W₂ > W₃ (c) W₁ = W₂ > W₃ (d) W₁ < W₂ < W₃
Answers
Explanation:
The gravitational field is a conservative field i.e. work done by gravitational field to displace a body is independent of its path. In other words, work done is determined by difference in potential energy at initial and final positions of body.
Therefore, W=P
f
−P
i
.(P
f
=final potential energy, P
i
= Initial potential energy )
So, W
1
=P
B
−P
A
and similarly
W
2
=P
B
−P
A
W
3
=P
B
−P
A
Thus W
1
=W
2
=W
3
hope it helped
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Answer:
The correct answer is kf = 1/kd
Explanation:
The dissociation constant or also known as kd is reverse of the freezing point depression constant also known as kf.
The 'k' denotes the word constant. Although there are many different meanings of the word 'k' in chemistry like for denoting temperature in kelvin, for potassium, for denoting equilibrium constant and here 'k' is used in the sense of a constant value.