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Introduction to p Block Elements

A TV set is a...

Question

A TV set is an example of matter and so is the signal it receives. Do you agree? Example.

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Solution

TV is a matter because it has mass and volume but signal is not a matter. In TV radio transmits a sound signal through air, TV sends a picture signal. These signals travels through air with the speed of light i.e. $3 \times 10^{8} m / s$

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