Coherence of two electromagnetic waves takes place if their phase difference is_________________?
Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena________________?
The coherence length over which there is a strong relationship between amplitudes is_________________?
Formation of snow occurs if the cloud temperature is________________?
If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be______________?
Lacing bars in a steel column should be designed to resist_________________?
The overlap of batten plates with the main members in welded connections should be more than____________________?
Economical depth of a plate girder corresponds to_________________?
The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called________________?
Which one of the following statement is incorrect regarding the electromagnetic radiation ?