Physics
Analog synthesis refers to a technology based on

Interfacing synthesizer equipment.
Representing data in terms of measurable physical quantities.
Placing brief digital recordings of live sounds under the control of a synthesizer keyboard.
Representing physical quantities as numbers.

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Physics
Why are we able to hear short wave broadcasts better than long wave broadcasts ?

By convention, short waves are meant for long distances, whereas long waves are reserved for short distances.
Short waves are more energetic than long waves.
Short waves are unaffected by atmospheric disturbances.
Short wave broadcasts are made by nearby radio stations.

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Physics
The Hooke's law is valid for

Entire elastic region of the stress strain curve
Only proportional region of the stress strain curve
Entire stress strain curve
Elastic as well as plastic region of the stress strain curve

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