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In a corner reflector antenna, if the spacing between vertex of reflector and feed is 2m then side length of reflector sheet is _____cm.
In which of the following the secondary reflector faces the primary reflector?
Which of the following refers to the pattern of reflector in the reflector antenna?
Which of the following uses a concave sub-reflector in a dual reflector antenna?
A Cassegrain reflector antenna has a sub-reflector whose geometrical shape is:
The pattern of the reflector in a reflector antenna is called:
Consider the following statements: 1. Secondary consolidation occurs at constant effective stress. 2. Secondary consolidation is related to dissipation of pore water pressure 3. Secondary consolidation occurs due to the readjustment of soil skeleton after a disturbance during primary consolidation. 4. Rate of secondary consolidation is controlled by the viscous adsorbed layer surrounding clay particle in soil. Which of the above statements are correct?
Students of Primary, Middle, Secondary and Sr. Secondary classes collected donation for a Relief Fund as shown in the pie chart. If the donation collected from Middle classes was Rs.6,750, then what would be the total amount of money collected by Secondary and Sr.Secondary classes?  
In which of the following a sub-reflector called trans-reflector is present?
Corner reflector is designed for radiation in forward direction unlike in plane reflector.