Light, Optics, and Quantum Physics

Index of Refraction

n = c/v

n=

c/v

n=

index of refraction

c=

speed of light in a vaccuum

c value

3 ×10⁸ m/s

Photon Energy

E = hf = hc/λ

E = (words)

photon energy

h= (words)

Planck’s constant

planck’s constant (value) —> h

6.6 × 10^-34J*s

f= (words)

frequency

Energy Level of a Hydrogen Atom

En = -13.6 eV/n²

in energy level of a hydrogen atom, what is n?

shell

Snell's Law

n1sinθ1 = n2sinθ2

n₁

refractive index of medium for incident ray

n₂

refractive index of medium for refracted ray

θ₁

angle of incidence

θ₂

angle of refraction

Energy of a Photon Emitted or Absorbed Under the Bohr Model

Ephoton = hf = |ΔEatom| = 13.6 eV * (1/nfinal² - 1/ninitial²)

planck’s constant

6.6 × 10^-34 J*s

Mirror and Lens Equation

1/f = 1/o + 1/i

o= (words)

objects in distance from mirror

i = (words)

images distance from the mirror

f= (words)

focal length of the mirror

the focal length of a concave mirror is written as what kind of number?

POSITIVE

the focal length of a convex mirror is written as what kind of number?

NEGATIVE

Critical Angle for Total Internal Reflection

sinθcrit = n2/n1

n₁

refractive index of medium through which incident ray is traveling

n₂

refractive index of medium on other side of boundary

Lens Power

P = 1/f

P= (words)

lens power (D)

f= (words)

focal length (m)

Kinetic Energy of a Photoelectron

KEmax = hf - Φ

Φ =

work function (eV)

Magnification Equation

m = -i/o

m= (words)

magnification number

i = (words)

images distance from the mirror

o= (words)

objects distance from the mirror

how to get height of object in magnification equation?

multiple height of object by m

what if m is positive?

image is upright

what if m is negative?

image is inverted

Heisenberg Uncertainty Relation

ΔxΔp ≥ h/(2π)

Δx = (words)

change in position

Δp= (words)

change in momentum (kg*m/s)