Question

Coherence of two electromagnetic waves takes place if their phase difference is :

a.

constant in time

b.

constant in space

c.

constant in time and space

d.

None of these

Posted under Civil Engineering

Answer: (c).constant in time and space

Interact with the Community - Share Your Thoughts

Uncertain About the Answer? Seek Clarification Here.

Understand the Explanation? Include it Here.

Q. Coherence of two electromagnetic waves takes place if their phase difference is :

Similar Questions

Explore Relevant Multiple Choice Questions (MCQs)

Q. The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,

Q. The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from:

Q. Pick up the correct statement from the following :

Q. Which one of the following parameters is considered to determine the reflectance of a vegetation canopy

Q. A reduction of nitrogen nutrient in plants :

Q. Pick up the correct statement from the following:

Q. The value of energy quantum for radiation of any frequency is proportional to :

Q. A perfectly black body :

Q. Pick up the correct statement from the following :

Q. Pick up the correct statement from the following:

Q. If 0 is the angle of scan measured from the nadir, the ground distance swept by the sensor IFOV is proportional to :

Q. Which one of the following statements is correct regarding the GPS satellites ?

Q. Pick up the correct statement from the following:

Q. Rayleigh's criteria for a rough surface is: (where letters carry their usual meanings).

Q. Pick up the correct statement from the following :

Q. The basic requirement of any sensor system, is :

Q. Which one of the following helps to identify the objects on the earth surface ?

Q. The spectral region of the electromagnetic radiation which passes through the atmosphere without much attenuation is known as:

Q. Which one of the following statements is correct?

Q. The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths :

Recommended Subjects

Are you eager to expand your knowledge beyond Civil Engineering? We've handpicked a range of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!