By definition;
M = fo/fe
Where,
M = Angular magnification
fo = Focal length of objective lens
fe = Focal length of eyepiece lens
From the information given;
M = 180/30 = 6
Explanation:
a couple is a system of forces with a resultant moment but no resultant force. A better term is force couple or pure moment. Its effect is to create rotation without translation, or more generally without any acceleration of the centre of mass.
Answer: The correct answer is A). Animal burrow because burrow fossils represent the preserved byproducts of behavior rather than physical remains, they are considered a kind of trace fossil. One common kind of burrow fossil is known as Skolithos, and the similar Trypanites, Ophiomorpha and Diplocraterion.
Answer:
16.9000000000000001 J
Explanation:
From the given information:
Let the initial kinetic energy from point A be
= 1.9000000000000001 J
and the final kinetic energy from point B be
= ???
The charge particle Q = 6 mC = 6 × 10⁻³ C
The change in the electric potential from point B to A;
i.e. V_B - V_A = -2.5 × 10³ V
According to the work-energy theorem:
-Q × ΔV = ΔK
![-Q \times ( V_B - V_A) = (K_B - K_A)](https://tex.z-dn.net/?f=-Q%20%5Ctimes%20%28%20V_B%20-%20V_A%29%20%3D%20%28K_B%20-%20K_A%29)
![-(6\times 10^{-3}\ C) \times ( -2.5 \times 10^3) = (K_B - 1.9000000000000001 \ J)](https://tex.z-dn.net/?f=-%286%5Ctimes%2010%5E%7B-3%7D%5C%20C%29%20%5Ctimes%20%28%20-2.5%20%5Ctimes%2010%5E3%29%20%3D%20%28K_B%20-%201.9000000000000001%20%5C%20J%29)
![15 = (K_B - 1.9000000000000001 \ J)](https://tex.z-dn.net/?f=15%20%3D%20%28K_B%20-%201.9000000000000001%20%5C%20J%29)
![K_B = 15+ 1.9000000000000001 \ J](https://tex.z-dn.net/?f=K_B%20%3D%2015%2B%201.9000000000000001%20%5C%20J)
![\mathbf{K_B =1 6.9000000000000001 \ J}](https://tex.z-dn.net/?f=%5Cmathbf%7BK_B%20%3D1%206.9000000000000001%20%5C%20J%7D)