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?

3 x 10⁵ m

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3 x 10³ m

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6 x 10³ m

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6 x 10⁵ m

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2 x 10³ m

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Solution

The correct option is B
3 x 10³ m

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Similar questions

Q. 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 waves is

3 \times 108 m s^{- 1}

, calculate the distance of the plane 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

A RADAR sends a signal to an aeroplane at a distance 300 km away, with a speed of $3 \times 10^{8} m s^{- 1}$ . After how much time is the signal received back after reflecting from the aeroplane?

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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?

The correct option is B 3 x 103 m

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?

The correct option is B
3 x 10³ m