Match Column $A$ (layers in the ionosphere for skywave propagation) with Column $B$ (their height range).Column $A$ Column $B$ $A$. $D$-layer $I$. $250-400 \ km$ $B$. $E$-layer $II$. $170-190 \ km$ $C$. $F_1$-layer $III$. $95-120 \ km$ $D$. $F_2$-layer $IV$. $65-75 \ km$
| Column $A$ | Column $B$ |
| $A$. $D$-layer | $I$. $250-400 \ km$ |
| $B$. $E$-layer | $II$. $170-190 \ km$ |
| $C$. $F_1$-layer | $III$. $95-120 \ km$ |
| $D$. $F_2$-layer | $IV$. $65-75 \ km$ |
- A$A-IV, B-III, C-II, D-I$
- B$A-I, B-II, C-III, D-IV$
- C$A-IV, B-III, C-I, D-II$
- D$A-III, B-IV, C-I, D-II$
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The bandwidth of an optical fiber is
Match Column $A$ (layers in the ionosphere for skywave propagation) with Column $B$ (their height range).Column $A$ Column $B$ $A$. $D$-layer $I$. $250-400 \ km$ $B$. $E$-layer $II$. $170-190 \ km$ $C$. $F_1$-layer $III$. $95-120 \ km$ $D$. $F_2$-layer $IV$. $65-75 \ km$
| Column $A$ | Column $B$ |
| $A$. $D$-layer | $I$. $250-400 \ km$ |
| $B$. $E$-layer | $II$. $170-190 \ km$ |
| $C$. $F_1$-layer | $III$. $95-120 \ km$ |
| $D$. $F_2$-layer | $IV$. $65-75 \ km$ |
What is an antenna?
Easy
View SolutionMatch List-$I$ with List-$II$:
List-$I$ List-$II$ $A$. Television signal $I$. $03\,KHz$ $B$. Radio signal $II$. $20\,KHz$ $C$. High Quality Music $III$. $02\,MHz$ $D$. Human speech $IV$. $06\,MHz$
Choose the correct answer from the options given below:
| List-$I$ | List-$II$ |
|---|---|
| $A$. Television signal | $I$. $03\,KHz$ |
| $B$. Radio signal | $II$. $20\,KHz$ |
| $C$. High Quality Music | $III$. $02\,MHz$ |
| $D$. Human speech | $IV$. $06\,MHz$ |
Choose the correct answer from the options given below:
If modulation index $\mu = \frac{1}{2}$ and $V_{m} = 2$,then $V_{c} = \, ?$
MediumAIIMS 2019
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