Related Questions

The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
A Earth radiation
B Wave balance of earth
C Heat balance of earth
D Radiation exchange
A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the
A Global warming
B Green house
C Atmospheric effect
D Ionosphere
The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called:
A Sensors
B Passive sensors
C Active sensors
D None of these
If ‘Hs’ is the significant wave height, then the average wave height and highest wave height respectively are given by
A 0.6 Hs and 1.67 Hs
B 0.6 Hs and 1.87 Hs
C 1.27 Hs and 1.87 Hs
D 1.27 Hs and 1.67 Hs
The law which states that wave-length of maximum radiation is inversely proportional to the absolute of the emitting body is known as:
A Wien’s Displacement Law
B Ohm's Law
C Ferel's Law
D Ampere's Law
The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
A Passive remote sensing
B Active remote sensing
C Neutral remote sensing
D None of these
In triangle PQR length of the side QR is less than twice the length of the side PQ by 2 cm. Length of the side PR exceeds the length of the side PQ by 10 cm. The perimeter is 40 cm. the length of the smallest side of the triangle PQR is:
A 6 cm
B 8 cm
C 9 cm
D 10 cm
A rope cut into 3 pieces with each piece twice as long as the previous one. If the length of longest piece is 3 meter ,What was the length of the rope in meter ?
A 6.5
B 6
C 5.5
D 5.25
The part radiation due to scattered/diffused radiation entering the field of view of a remote sensor other than that from the required target,
A Reduces the contrast of the image and also its sharpness
B Increases the contrast of the image but reduces the sharpness
C Increases both the contrast and sharpness
D Reduces the contrast but increases the sharpness
In a sample of 50 people, 19 had type O blood, 22 had type A blood, 7 had type B blood and 2 had type AB blood. If a person is selected randomly, find the probability that the person has neither type A nor type O blood?
A 15/25
B 31/50
C 11/25
D 9/50

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