GIS MCQ TEST 3 1. How much wave length is reflected back by the earth surface from the absorbed sun radiation? a) 0.5meter b) 0.5 micrometer c) 0.5 centimeter d) 0.5 decimeter 2. EM waves varies from ______ to ________ a) Meters to nano-meters b) Meters to micro-meters c) Nano to micro-meters d) Centimeters to nano-meters 3. The formula of energy produced from the body can be given as _________ a) Q = h- c / λ b) Q = h*c * λ c) Q = h+ c / λ d) Q = h*c / λ 4. The energy radiated from sun in visible region will be around ____________ a) 43% b) 45% c) 47% d) 50% 5. Around how much percentage, the incident radiant flux can be absorbed by the materials present on earth? a) 48% b) 37% c) 42% d) 50% 6. Which among the following is not a phenomenon in case of interaction of EM waves on earth surface? a) Reflection b) Absorption c) Transmission d) Refraction 7. Which of the following can be changed while interaction of EM wave with a surface? a) Intensity b) Diffraction c) Wave length d) Direction 8. Which of the following indicates a volume phenomenon? a) Refraction b) Reflection c) Transmission d) Diffraction 9. Strength of signal doesn’t depend upon which of the following factors? a) Energy flux b) Dwell time c) Altitude d) Reflection 10. Which of the following indicates the correct set of bands operated in LISS- III satellite? a) Visible ray, near IR b) Near IR, radio wave c) Radio wave, near IR d) Far IR, near IR