Bissoy.com
Doctors Medicines MCQs Q&A

The strength of a secondary radar varies inversely with distance to the ______ power.

The strength of a secondary radar varies inversely with distance to the ______ power. Correct Answer Second

In the secondary radar, the strength of the communication system varies inversely with distance to the second power, compared with primary radar which reduced with the fourth power.

Related Questions

Time taken by a bus varies as the distance and inversely as the velocity. On the other side velocity varies directly as cube of petrol used for the journey per kilometer and inversely as the number of boxes the bus is carrying in the journey. Bus complete the journey of 100 km in 2 hours and carry 10 boxes for which petrol required is 10 litters. Find how much of petrol will be used for the journey of 50 km in 5 hours with 4 boxes.
Consider the following statements and choose the correct answer:
1. The density of water varies inversely with temperature
2. The density of water varies inversely with the concentration of dissolved substances
3. Water is more dense at approximately 4° C and becomes progressively less dense as it is cooled below +4° C
4. When great evaporation occurs in a lake having no outlet, the lake may come to contain a higher percentage of salts than the ocear
Which of the given fact of the BEL Battle Field Surveillance Radar is false? 1. It is a man portable 2D short-range battlefield and perimeter surveillance radar. 2. It is developed by the the Electronics and Radar Development Establishment (LRDE) and Bharat Electronics Limited (BEL). 3. Upto 10 radars can be networked at a time. 4. It operates over 12 channels in S band.
Consider the following statements: 1. If x is directly proportional to z and y is directly proportional to z, then (x2 - y2) is directly proportional to z2. 2. If x is inversely proportional to z and y is inversely proportional to z, then (xy) is inversely proportional to z2. Which of the above statements is/are correct?
A typical radar is located at 4 meter distance from an object. If radar transmits signal from that position then, signal strength S will be __________
Mohan traveled five cities (A, B, C, D and E) starting from home by a car which has a mileage such that the car can travel 10 km in 1 liter petrol. Distance between city A and B is twice the distance between home to city A. Distance between city B and C is thrice the distance between home to city A. Distance between city C and D is 100. Distance between city D and E is 1.5 times than the distance between B and C. Average distance traveled by Mohan was 41 km between five cities. Find how much petrol was needed by Mohan to travel from city B to D.
The illumination of a bulb varies inversely as the square of the distance . If the illumination is 6 lux at a distance of 5 meters whet is illumination at a distance of 3 meters?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives. Violence takes a heavy toll and affects public life ______. High or low, known or unknown, rich or poor, popular or unpopular, no one is safe or secure today. It
appears that one can harm anybody at any time and at ______. A mad and sad rat race is on to make money and ______ power at any cost and by any means. The
result is that no political party or group can now ______ into claim to total innocence in so far as ______ of violence against innocent person for personal or political
gains is concerned. Violent demonstrations, rallies, hartals have become the order of the day. make money and ______ power at any cost.
The influence of shape of aggregate in strength and workability of concrete are given below in statements S1, S2, S3 and S4. Which of the statements are correct? S1: Rounded aggregate produces concrete with high workability and low strength. S2: Angular aggregate produces concrete with high workability and low strength. S3: Rounded aggregate produces concrete with low workability and high strength. S4: Angular aggregate produces concrete with low workability and high strength.
With regard to the characteristic strength of concrete, consider the following statement: “Test strength of samples means the average strength of X samples. The strength of a sample should not vary by more than ± Y% of the average strength. What will be the values of X and Y here?