Consider the following pairs regarding the Bandwidth of Signals and mark the correct Statements.
| Application | Signal/ Bandwidth | |
| 1 | Speech Signal | 300 Hz to 3100 Hz |
| 2 | Transmission of Music | 20 kHz |
| 3 | Video signals | 4.2 MHz |
| 4 | TV signal | 6 MHz |
1
1 and 2 only
2
3 and 4 only
3
1, 2 and 4 only
4
1, 2, 3 and 4