

MCQOPTIONS
Saved Bookmarks
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which of the following layer is known as F layer? |
A. | Appleton layer |
B. | Kennelly Heaviside layer |
C. | Absorption layer |
D. | Sir Appleton |
Answer» B. Kennelly Heaviside layer | |
2. |
Which of the following layer is known as absorption layer for short waves? |
A. | E layer |
B. | F1 layer |
C. | F2 layer |
D. | D layer |
Answer» E. | |
3. |
Which of the following is formed by the ionization of UV and corpuscular radiations? |
A. | E layer |
B. | F1 layer |
C. | F2 layer |
D. | D layer |
Answer» D. D layer | |
4. |
Which of the following layer is used for long distance sky wave propagation during night hours? |
A. | F layer |
B. | E layer |
C. | D layer |
D. | All layers can be used |
Answer» B. E layer | |
5. |
Which of the following regions are present in the night time? |
A. | D and E layers |
B. | E and F layers |
C. | F1 and F2 layers |
D. | D and F layers |
Answer» C. F1 and F2 layers | |
6. |
Which of the following follows Chapman s law of variation? |
A. | D layer |
B. | F1 layer |
C. | F2 layer |
D. | Both F1 and F2 layer |
Answer» C. F2 layer | |
7. |
In which of the following layers the electron density is high? |
A. | E layer |
B. | F1 layer |
C. | F2 layer |
D. | D layer |
Answer» D. D layer | |
8. |
Which of the following is called as Kennelly Heaviside layer? |
A. | E layer |
B. | F1 layer |
C. | F2 layer |
D. | D layer |
Answer» B. F1 layer | |
9. |
Which of the following layer disappears during night time in ionosphere? |
A. | D layer |
B. | E- layer |
C. | F1 layer |
D. | F2 layer |
Answer» B. E- layer | |
10. |
Which of the following is the nearest Ionospheric layer to the earth surface? |
A. | D layer |
B. | E layer |
C. | F1 layer |
D. | F2 layer |
Answer» B. E layer | |
11. |
At what height the Ionosphere lies above the earth surface? |
A. | 70-400km |
B. | 2-15km |
C. | 20-70km |
D. | Above 400km |
Answer» B. 2-15km | |