Advertisements
Advertisements
प्रश्न
An instrument 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 × 108 ms−1, calculate the distance of the plane from the radar.
संख्यात्मक
Advertisements
उत्तर
The distance of the plane from the radar is
Distance = Velocity × Time
= 3 × 108 × 0.02 × 10−3 mmm
= 0.06 × 105 m = 6 × 103 m
= 6 kilometres.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
