Related Questions

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 radiant energy received by the Earth from the sun is
A Radiation
B Insolation
C Reflection
D Refraction
Read the paragraph and answer the question-photosynthesis is a process in which radiant energy from sun is stored as chemical energy , which in turn is used to decompose carbon dioxide and water. The product of their decomposition are recombined into a new compound which successively builds, up into more and more complex organic substances like sugars, starches and cellulose that comprise the plant.The word stored in the paragraph is closest in morning to
A specified
B retained
C converted
D discovered
The radiant energy of the sun result from
A Nuclear fusion
B Nuclear fission
C Cosmic radiation
D Combustion
The radiant energy of the sun is transmitted in the form of ________
A Short waves
B Long waves
C Particles
D None of these
Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.)
A $$\sqrt {\text{d}} $$
B d
C d2
D d1.5
How much radiant energy will an object emit if its temperature is at absolute zero?
A The maximum theoretical amount
B None
C The same as it would at any other temperature
D Depends on the chemical composition of the object
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
A granite
B basalt
C igneous rocks
D sedimentary rocks
According to Stefan Boltzmann law, ideal radiators emit radiant energy at a rate proportional to
A Absolute temperature
B Square of temperature
C Fourth power of absolute temperature
D Fourth power of temperature

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