Related Questions

The portion of incident radiation (energy) without heating that surface reflected back from a surface of a body is called:
A Streto
B Ironodo
C Albedo
D Thermedo
The change in length due to a tensile or compressive force acting on a body is given by (where P = Tensile or compressive force acting on the body, $$l$$ = Original length of the body, A = Cross-sectional area of the body and E = Young's modulus for the material of the body)
A $$\frac{{{\text{P}}l{\text{A}}}}{{\text{E}}}$$
B $$\frac{{{\text{P}}l}}{{{\text{AE}}}}$$
C $$\frac{{\text{E}}}{{{\text{P}}l{\text{A}}}}$$
D $$\frac{{{\text{AE}}}}{{{\text{P}}l}}$$
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 ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:
A Reflectance
B Reflectance factor
C Albedo
D None of these
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
[Rewrite the sentence starting with the part given and bracket below, keeping the meaning changed in question] After three hours of walking the museum, the entire family felt in need of a rest. (The entire family felt in need of a rest)
A walking through the museum for three hours
B having walked through the museum for three hours
C and they walked through the museum for three hours
D despite having walked through the museum for three hours
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
The surface of a certain planet reflects 80 percent of the light that strikes it. The clouds around the planet then absorb 40 percent of the reflected light. What percent of the light that strikes the planet is reflected from the surface and passes through the clouds without being absorbed?
A 32%
B 40%
C 48%
D 60%
The radiation emitted by a black body is known as
A Black radiation
B Full radiation
C Total radiation
D All of these
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

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