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 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
With increase in the distance between the heat source and the object receiving the heat, the radiation heat transfer
A Decreases
B Increases
C Increases exponentially
D Remains unaffected
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
The radiant energy received by the earth and its atmosphere from the sun is called:
A Insolation
B Isotherm
C Insoenergy
D Albedo
The radiant energy received by the Earth from the sun is
A Radiation
B Insolation
C Reflection
D Refraction
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
Giving is better than receiving. Here the word ‘receiving’ is a/an-
A adjective
B common noun
C gerund
D present participle
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
সরল দোল গতিসম্পন্ন একটি বস্তু যখন তার সাম্যাবস্থান থেকে 2 cm দূরে, তখন তার গতিশক্তি স্থিতিশক্তির ও গুণ। বস্তুটির দোলনের বিস্তার কত হবে? (An object oscillating in simple harmonic motion has its kinetic energy 3 times the potential energy when the object is 2 cm away from its equilibrium position. What is the amplitude of the oscillation for the object?)
A 3 cm
B 1 cm
C 2 cm
D 4 cm

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