如图8.1.3所示,两光源s1、s2发出波长为l的单色光,分别通过两种介质(折射率分别为n1和n2,且n1>n2)射到介质的分界面上的P点,己知s1P=s2P=r,则这两条光的几何路程Dr,光程差d和相位差Dj分别为:()
A: Dr=0,d=0,Dj=0
B: Dr=(n1-n2)r,d=(n1-n2)r,Dj=2p(n1-n2)r/l
C: Dr=0,d=(n1-n2)r,Dj=2p(n1-n2)r/l
D: Dr=0,d=(n1-n2)r,Dj=2p(n1-n2)r
A: Dr=0,d=0,Dj=0
B: Dr=(n1-n2)r,d=(n1-n2)r,Dj=2p(n1-n2)r/l
C: Dr=0,d=(n1-n2)r,Dj=2p(n1-n2)r/l
D: Dr=0,d=(n1-n2)r,Dj=2p(n1-n2)r
举一反三
- 如图所示,两光源S1、S2发出波长为λ的单色光,分别通过两种介质(折射率分别为n1和n2,且n1>;n2)射到介质的分界面上的P点。己知S1P=S2P=r,则这两条光的几何路程差Dr,光程差D和相位差Dj分别为( )。[img=284x187]17e0b74962d8951.png[/img] A: Dr =0,D =0,Dj = 0 B: Dr=(n1-n2)r,D =(n1-n2) r,Dj =2p (n1-n2)r/l C: Dr =0,D =(n1-n2)r,Dj =2p (n1-n2)r/l D: Dr =0,D =(n1-n2) r,Dj =2p (n1-n2)r
- 设s1、s2为两相干光源发出波长为l的单色光,分别通过两种介质(折射率分别为n1和n2,且n1n2)射到介质的分界面上的P点,己知s1P=s2P= r,则这两条光的几何路程Dr,光程差d和相位差Dj分别为[img=224x178]18034332daab6ce.png[/img] A: Dr= 0 ,d= 0 ,Dj= 0 B: Dr= (n1-n2)r,d=(n1-n2)r,Dj=2p(n1-n2)r/n2l C: Dr= 0, d=(n1-n2)r, Dj=2p(n1-n2)r/l D: Dr= 0,d=(n1-n2)r,Dj=2p(n1-n2)r/n1l
- 17e4396cebf4e1a.gif如图8.1.3所示,两光源s1、s2发出波长为l的单色光,分别通过两种介质(折射率分别为n1和n2,且n1>;n2)射到介质的分界面上的P点,己知s1P = s2P = r,则这两条光的几何路程Dr,光程差d 和相位差Dj分别为:( ) A: D r = 0 , d = 0 , Dj = 0 B: D r = (n1-n2) r , d =( n1-n2) r , Dj =2p (n1-n2) r/l C: D r = 0 , d =( n1-n2) r , Dj =2p (n1-n2) r/l D: D r = 0 , d =( n1-n2) r , Dj =2p (n1-n2) r
- 如图所示,两光源s1、s2发出波长为l的单色光,分别通过两种介质(折射率分别为n1和n2,且n1>n2)射到介质的分界面上的P点,己知s1P = s2P = r,则这两条光的几何路程Dr,光程差d 和相位差Dj分别为:[img=179x88]1802d100c22e4e4.png[/img] A: D r = 0 , d =( n1-n2) r , Dj =2p (n1-n2) r/l B: D r = 0 , d = 0 , Dj = 0 C: D r = (n1-n2) r , d =( n1-n2) r , Dj =2p (n1-n2) r/l D: D r = 0 , d =( n1-n2) r , Dj =2p (n1-n2) r
- 如图所示,设S1、S2为两相干光源发出波长为l的单色光,分别通过两种介质(折射率分别为n1和n2,且n1>;n2)射到介质的分界面上的P点,己知S1P =S2P= r,则这两条光的几何路程Dr, 光程差d 和相位差Dj 分别为 [ ][img=145x79]17de696e5e7d72a.png[/img] A: D r = 0 , d =0 , Dj = 0 B: D r = (n1-n2) r , d =(n1-n2) r , Dj =2p (n1-n2) r/l C: D r = 0 , d =(n1-n2) r , Dj =2p (n1-n2) r/l D: D r = 0 , d =(n1-n2) r , Dj =2p (n1-n2) r