Diffused Day Light' is :

Question

Accepted Answer

Explanation:

1. **Why Option 2 is Correct:**
   - Diffused daylight refers to sunlight that has been scattered by molecules and particles in the atmosphere. This scattering process occurs when the sun is low on the horizon, such as during dawn and twilight. During these times, the sunlight passes through a greater thickness of the Earth's atmosphere, which causes more scattering and results in a softer, diffused light. This is why the sunlight appears less direct and more spread out across the sky, creating the characteristic glow of dawn and twilight. Therefore, Option 2 correctly identifies diffused daylight as the sunlight that the Earth receives during these times.

2. **Why the Other Options are Incorrect:**
   - **Option 1: The solar radiation that goes into zero**
     - This option is incorrect because solar radiation does not "go into zero." Solar radiation is a continuous emission of energy from the sun, and while it can be absorbed or reflected by the Earth's atmosphere and surface, it does not simply disappear or become zero. Diffused daylight specifically refers to the scattering of sunlight, not its absence.
   
   - **Option 3: The terrestrial radiation**
     - Terrestrial radiation refers to the infrared radiation emitted by the Earth's surface as it absorbs solar energy and re-emits it. This is different from diffused daylight, which involves the scattering of incoming solar radiation, not the emission of energy from the Earth itself. Therefore, Option 3 is not related to the concept of diffused daylight.
   
   - **Option 4: The solar radiation received by ozone layer**
     - While the ozone layer does absorb some solar radiation, particularly ultraviolet light, this process is not what is meant by diffused daylight. Diffused daylight is concerned with the scattering of visible sunlight in the atmosphere, not the absorption of radiation by the ozone layer. Thus, Option 4 does not accurately describe diffused daylight.

In conclusion, Option 2 is the correct answer because it accurately describes the phenomenon of diffused daylight as the sunlight received during dawn and twilight, when scattering in the atmosphere is most pronounced.