Consider the following statements with respect to albedo 1 Albedo is amount of solar ...........

Geography Space

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Consider the following statements with respect to albedo.

1. Albedo is amount of solar energy received by earth after deducting the reflected insolation.

2. It is a dimensionless quantity i.e. the albedo of a particular surface or object cannot be expressed in units.

Which of the above statements is/are correct?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

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Explanation:

Albedo is the amount of solar energy that is reflected back from the earth without any kind of absorption by any material. Therefore, statement 1 is incorrect. Albedo is measured as a fraction or percentage of incoming solar radiation and this comparison makes it dimensionless. Hence, answer is B.