PAT Flashcards
Which two planets is the astroid belt between?
Mars and Jupiter
What is the NCR equation?
n! / (n-r)! r!
What are the equations for transformers?
v1/v2 = n1/n2
v1 i1 = v2 i2
What is the electrical symbol for a capacitor?
—||—
What is the equation for the force between two point charges?
k Q1Q2/r^2
What is the equation for the force on a point charge?
EQ
Electric field strength x Charge
What is the equation for the field strength?
E = V/d
What is the equation for the field strength?
E = V/d
What is the equation for the photoelectric effect?
hf = work function + max KE
What is the equation for the energy stored in a spring?
F = 1/2 F L
What is the equation for gravitational field strength?
g = F/m
g = GM/r^2
What is the definition of refractive index?
The ratio of the speed of light in a vacuum to the speed of light in a material
What is the equation for Snells law?
n1 sinx1 = n2sinx2
What is the equation for the critical angle?
sinx = n2/n1 for n1>n2
What is the equation for the refractive index of a substance?
n = c/c(s)
How do you know if function is even?
f(x) = f(-x)
How do you know if a function is odd?
f(-x) = -f(x)
What is the sum of a geometric series?
a(r^n - 1) / r-1
What is the sum to infinity of a geometric series?
a / 1-r
What is the sum of an arithmetic series?
n/2 (2a + (n-1)d)
