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A 300 Hz sound wave of intensity 20 dB is transmitted by a 1

The ratio of intensity of wave and energy density gives

The intensity of sound wave gets reduced by 20% on passing t

Consider the following rectifier circuits : half-wave rectif

A, B and C have amounts in the ratio of 3 : 4 : 5. First B

Two wave having the intensities in the ratio of 9: 1 produce

Poynting theorem relates the electric intensity E, magnetic

Assertion

(A): In standing wave pattern, the nodes and anti

(A): In standing wave pattern, the nodes and anti

A uniform plane wave is described by the equation H = A/m. I

When a plane wave is incident normally from dielectric '1' (