# Following has Poor Transmissivity

By BYJU'S Exam Prep

Updated on: October 17th, 2023

The opaque surface has poor transmissivity. It is because it does not allow radiation to pass through it. Transmissivity is the capability of an object to pass the radiation through it.

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## Answer: The opaque surface has poor transmissivity.

The parameter of transmissivity ranges from number 0 to 1. Transmissivity is denoted by τ. For an opaque surface, the value of τ = 0because it does not allow the radiation to pass through it. So, we can say that the radiation is either absorbed by the opaque object or reflected back in the same medium.

The opaque surface has poor transmissivity as it does not permit the radiation falling on to pass through it. The ability of an object to pass radiation through it is called transmissivity.

Summary:

## Following has Poor Transmissivity

Transmissivity of an object or opaque surface is poor. It does not allow radiation to pass through it hence its transmissivity value is zero.

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