The eyepiece of a compound microscope has a focal length of 2.50 cm and the objective has a focal length of 1.60 cm. The two len
1 answer:
The angular magnification of the microscope is 78.125.
<h3>What is angular magnification?</h3>the ratio of the angle at the eye that an optical instrument's image occupies to the angle at the eye that an object occupies while not being viewed through an optical instrument is called as angular magnification.
Thus we can calculate it as:
- focal length of objective lens, fo = 1.6 cm
- focal length of the eyepiece, fe = 2.5 cm
- Distance between the lenses, L = 15 cm
- Least distance of distinct vision for normal eye, d = 25 cm
The formula for the magnification of the compound microscope is given by
M = - 78.125
Thus, the magnification of the compound microscope is 78.125.
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Answer:
Area = 20 m²
Explanation:
Given the following data;
Force = 2500 N
Pressure = 125 Pa
To find the area on which it rest;
Mathematically, pressure is given by the formula;
Making area the subject of formula, we have;
Substituting into the formula, we have;
Area = 20 m²
Explanation:
The general equation of an AC current is given by :
Where
I₀ is the peak value of current
is angular frequency
So,
We know that,
So, the frequency is 50 Hz and the maximum rms value of current is 14.14 A.