physics questions on SAT2

sheny~UID: 2412802

' E- O$ p% y! b) s! i& k% k/ k1 \# RQ1
the angle above which total internal reflection will occur is called the
A.      critical angle
1 }+ H" f' _' i. jB.      refracted angle
C.      diffracted angle
D.     incident angle

Q2
two basic postulates of special relativity formulated by Albert Einstein

) @& }% S# O9 P. w# o             Energy above ground state
n=4-------------------E4=7eV
) P8 _- A3 I% h- B% on=3-------------------E3=6eV
5 O7 z9 q* i, s' c1 Dn=2-------------------E2=4eV
n=1-------------------E1=0eV
refer to the energy level diagram for a hypothetical atom shown above. The energy for each level is given above ground state
1.       which of the following photon energies could NOT be emitted from this atom after it has been excited to the 4th energy level?
A.1eV
* q/ X2 @7 r. L* T% MB.2eV
: F$ G- L8 n' {C.3eV
D.4eV
" l( o) S  E" S6 [7 m+ L8 ?E.5eV

2.       which of the following transitions will produce the photon with the highest frequency?
, ]/ X8 a( ~! ?' x2 J. v3 E  V6 SA.      n=2 to n=1
B.      n=3 to n=1
C.      n=3 to n=2
D.     n=4 to n=1
0 A/ M. v, n! w! T: g( i6 k0 QE.      n=4 to n=3
& j7 Z, z8 T8 Q- k! u3 }" q8 q  q
Q3
what is the meaning of"edge effects may be neglected"?
& M  g4 M# S& N( ^. K
+ p/ T4 i5 f* |* }, s" a) f) M

g0291645uUID: 2348492

Q1-A
0 ]  B, ~2 r2 ]! K: g! QQ2, 1-E, 2-D
3 E/ }. f0 ~; F" |# YQ3-totally no idea:confused: