Which of the following combination forms a Cassegrain antenna? – McqOptions

MCQOPTIONS

1.	Which of the following combination forms a Cassegrain antenna?
A.	The main reflector is parabolic and sub-reflector is hyperbolic
B.	The main reflector is parabolic and sub-reflector is concave
C.	The main reflector is hyperbolic and sub-reflector is parabolic
D.	The main reflector is hyperbolic and sub-reflector is convex
Answer» B. The main reflector is parabolic and sub-reflector is concave

Discussion

No Comment Found

Related MCQs

Command lines entered at the console are limited to about ________ bytes.a) 3000b) 4095c) 5000d) 6000 10._____ text editor provides more general support mechanisms via ESS for working interactively with R.
If a command is not complete at the end of a line, R will give a different prompt, by default it is ____________
Which of the following statement is alternative to _________
Which of the following will start the R program?
Which of the following is default prompt for UNIX environment?
The most convenient way to use R is at a graphics workstation running a ________ system.
A language which has the capability to generate new data types are called ________________
Which of the following is called extraction/get from operator?
Which of the following is called insertion/put to operator?
Who created C++?