A radar is able to detect the reflected waves from an enemy aeroplane, after a time interval of 0.02 milliseconds.

If the velocity of the wave is 3 x 10⁸ m s^-1, the distance of the plane from the radar station is:

3000 km

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3 km

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2 km

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1500 km

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Solution

The correct option is B
3 km

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Radar is able to detect the reflected waves from an enemy aeroplane after a time interval of 0.02ms. If the velocity of the waves is 3 x 10⁸ms^-1, how far is the plane from the radar?

Q. A ‘RADAR’ is able to detect the reflected waves from an enemy airplane aftera time interval of 3 x 10^-4 seconds. If the velocity of the wave is 3 x 10^8ms-1,calculate the distance of airplane from the radar.

Q. An enemy plane is at a distance of

300

km from a radar. In how much time the radar will be able to detect the plane? Take velocity of radio-waves as

3 \times 10^{8} m s^{- 1}

Q. An enemy plane is at a distance of 300 km from a radar. In how much time will the radar be able to detect the plane? Take velocity of radio waves as

3 \times 10^{8} m / s

An enemy plane is at a distance of 300km from a radar. In how much time the radar will be able to detect the plane. Take velocity of radio waves as 3×10^8

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A radar is able to detect the reflected waves from an enemy aeroplane, after a time interval of 0.02 milliseconds. If the velocity of the wave is 3 x 108 m s-1, the distance of the plane from the radar station is:

The correct option is B 3 km

A radar is able to detect the reflected waves from an enemy aeroplane, after a time interval of 0.02 milliseconds.

If the velocity of the wave is 3 x 10⁸ m s^-1, the distance of the plane from the radar station is:

The correct option is B
3 km