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If 160 waves pass through a point of a medium in 40 seconds. Its frequency is

Directions(6-8): Study the following information carefully and answer the given questions. Point D is 14 m towards the West of Point A. Point B is 4 m towards the South of point D. Point

In a plane there are 37 straight lines, of which 13 pass through the point A and 11 pass through the point B.Besides, no three lines pass through one point, no line passes through both points A and B,

In a Plane there are 37 straight lines, of which 13 pass through the point A and 11 pass through the point B. Besides, no three lines pass through one point, no lines passes through both points A and

Point P is 10m to the West of Point A. Point B is 2m to the South of Point P. Point Q is 6m to the East of Point B. Point C is 2m to the North of Point Q. Which of the following three points fall in a

When waves moving in one medium fall on surface of another medium they bounce back into first medium such that angle of incidence is equal to angle of reflection. This phenomenon is known as

For a FM wave the carrier is 160 MHz, modulating frequency is 15 kHz and frequency deviation of 1 MHz if modulating frequency is doubled, the band width will be