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
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
吸收红外线发生能级跃迁,必须满足下列条件: A: Δμ ≠ 0且υL = υ B: Δμ=0及υL =ΔVυ C: Δμ ≠ 0且υL = ΔVυ D: Δμ ≠ 0
吸收红外线发生能级跃迁,必须满足下列条件: A: Δμ ≠ 0且υL = υ B: Δμ=0及υL =ΔVυ C: Δμ ≠ 0且υL = ΔVυ D: Δμ ≠ 0
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,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
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
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
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
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
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
欲获得红外活性振动,吸收红外线发生能级跃迁,必须满足( )条件。 A: △μ>0或Δμ<0 B: Δμ≠0;并服从σL=ΔVσ C: Δμ=0及 σL=ΔVσ D: Δμ≠0
欲获得红外活性振动,吸收红外线发生能级跃迁,必须满足( )条件。 A: △μ>0或Δμ<0 B: Δμ≠0;并服从σL=ΔVσ C: Δμ=0及 σL=ΔVσ D: Δμ≠0
若JK触发器的原状态为0,欲在CP作用后仍保持为0状态,则激励函数JK的值应是()。 A: AJ=l,K=I B: BJ=0,K=0 C: CJ=0,K=d D: DJ=l,K=d
若JK触发器的原状态为0,欲在CP作用后仍保持为0状态,则激励函数JK的值应是()。 A: AJ=l,K=I B: BJ=0,K=0 C: CJ=0,K=d D: DJ=l,K=d
如图4-1所示,厂商的理性决策应在 A: 3<L<7 B: 4.5<L<7 C: 3<L<4.5 D: 0<L<4.5
如图4-1所示,厂商的理性决策应在 A: 3<L<7 B: 4.5<L<7 C: 3<L<4.5 D: 0<L<4.5