state with reasons whether following statements are true or false.
1) Rise time of a pulse is the time required for the amplitude to reach from 0% from 100% of the peak value amplitude.
2)All the types of device noise are white noise.
3) Standard wave ratio of matched transmission line is infinite.
4)Frequency modulation index is independent of carrier frequency.
5)Frequency keying shift is modulation of digital carrier signal with an analog intelligent signal.
6)The depth of LCD TV depends on the size of its screen.
7)WAP helps in connecting devices without cables.
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