NTA-NET (UGC-NET) Environmental Science (89): Questions 54 - 56 of 1711
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Question 54
Appeared in Year: 2016
Question MCQ▾
Underground coal mine fires can best be monitored by remote sensing technique in the spectral region: (July)
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 – 5 μm | |
b. | 1 – 3 μm | |
c. | 1 mm – 10 mm | |
d. | 10 – 12 μm |
Question 55
Appeared in Year: 2018
Question MCQ▾
Reference data or ground truth data is used for the following purposes in remote sensing:
(i) To aid in the analysis and interpretation of remotely sensed data
(ii) To calibrate a sensor
(iii) To verify information extracted from remote sensing data
Choices
Choice (4) | Response | |
---|---|---|
a. | Only (i) and (iii) | |
b. | (i) , (ii) and (iii) | |
c. | Only (ii) and (iii) | |
d. | Only (iii) |
Question 56
Appeared in Year: 2019
Question Match List-Ⅰ List-Ⅱ▾
Match the following discontinuities with boundaries they are found at: (December)
List-Ⅰ (Discontinuities) | List-Ⅱ (Boundaries between) |
---|---|
(A) Conrad discontinuity | (i) Lower crust and upper mantle |
(B) Mohorovicic discontinuity | (ii) Hydrosphere and crust |
(C) Gutenberg discontinuity | (iii) Lower mantle and outer core |
(D) Lehman discontinuity | (iv) Outer core and inner core |
Choices
Choice (4) | Response | |
---|---|---|
| ||
a. |
| |
b. |
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c. |
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d. |
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