Question

A CCTV camera has to be installed on the top of a straight pole of 12 m height, so that traffic could be seen upto distance more than LOS of 13 m.

Answer the following

1. What will be the distance from the foot of the pole, ahead of which traffic is seen ?

2. What will be area of the Green Patch around the pole ?

3. Do you think that CCTV camera is useful in the management of traffic awareness ? If yes, then how ?

Answer 1

1.

The minimum distance between the feet of the pole and vehicle will be 5 m.

2. Area of the circle around the pole which can not be observed by the CCTV camera

= πR²

= 3.14 × (5)²

= 78.5 m²

3. Yes, CCTV camera s useful manage and control the traffic.

Following are the facts in favor of the above statement:

(i)All the drivers of the vehicles become alert, by fear of the challan.

(ii) No, driver can shift their blames on others.

(iii) The accidents reduces because all the drivers tey to drive safely.

(iv) The traffic police become more efficient.