Answer the following problems in detail.

problem 1) What do you mean by flicker.

problem 2) In color television, why color difference signals are transmitted rather than the primary color signals.

problem 3) What do you mean by aspect ratio.

problem 4) What do you mean by weighting factor?

problem 5) What do you understan by hue?

problem 6) What do you mean by dark current in Vidicon?

problem 7) prepare down the principle of operation of a monochrome camera tube.

problem 8) prepare down merit of Keyed AGC.

problem 9) Why we use frequency interleaving.

problem 10) Sketch the block diagram of V.H.F Tuner.

problem 11) What do you mean by interlaced scanning? Demonstrate that it reduces Flicker and converse bandwidth.