Question

**what is collimator and what is the function of
it?**

Answer #1

What collimator is used the most in nuclear medicine and why?

#6.) Design a single lens collimator to be used with a He-Ne
laser(wavelength 632.8nm). Foal length of the collimator is 50cm.
What are the radii of the two surfaces for the spherical aberration
to be minimum. Use BK7 glass.

What are epithelial tissues? What is their function and how is
that function associated with the features of the tissue?

What is the definition of a linear function and is the
determinant function a linear function? Please describe how to
know.

What are the definitions for the following?
a relation to be a function
a function to be an injection
XmodY

Suppose you have a function f(x)= -2x2 -4x +1
What is the base function?
What is the vertex of the function?
What is the horizontal shift of the function?
What is the vertical shift of the function?
What is the stretch/shrink of the function?
What is/are the y-intercept(s) of the function?

what are complements? what is their function?

What is the function of the spliceosome

What are pilli and function?

What is the function of the lacuna?

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