Related Questions

The amount of radiation mainly depends upon the
A Nature of the body
B Temperature of the body
C Type of surface of the body
D All 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
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
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
Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year at 8% interest rate. From the 2nd year, he invested the principal amount in another account offering 10% interest for 3 years. At the beginning of the fifth year he invested the Principal amount in another account at the rate of 11%. What was the principal amount? (assume simple interest rate)
A Tk. 50,000
B Tk. 80,000
C Tk. 70,000
D Tk. 90,000
E None of them
Wavelength of radiation emitted by a body depends on the __________ of its surface.
A Temperature
B Area
C Nature
D All of the above
Investment depends mainly on :
A Past levels of income
B Future expected profits
C Present national income levels
D Historic data
The economic development of Bangladesh depends mainly
A over
B on
C in
D from
The temperature at which water boils depends mainly on:
A Air temperature
B Relative humidity
C Air pressure
D Air density
E The specific heat of air
In a transistor leakage current mainly depends on
A Doping of base
B Size of emitter
C Rating of transistor
D Temperature

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