DSO output

[spelter]

What will be the output displayed on a DSO if the input waveform is a signal whose amplitude is decreasing with time and frequency increasing with time if
1.waveform is repetetive
2.it decays down to zero and is not repetetive.

i hope one can analyse the shape of the input signal( it is something  like a sine wave whose amplitude is decreasing and frequency increasing).

i hope someone answers my query.