Question
Download Solution PDFWhat is the correct sequence, from minimum to maximum flux of following components of electromagnetic radiation in solar radiation reaching earth?
(A) Infra red rays
(B) Visible rays
(C) Gamma rays
(D) Ultraviolet rays
Choose the correct answer from the options given below:
Answer (Detailed Solution Below)
Option 1 : (C), (D), (B), (A)
Detailed Solution
Download Solution PDFThe correct answer is - (C), (D), (B), (A)
Key Points
- Gamma rays
- Gamma rays have the highest energy and shortest wavelength in the electromagnetic spectrum.
- They contribute very little to the solar radiation reaching the Earth due to absorption by the atmosphere.
- Ultraviolet rays
- Ultraviolet rays have higher energy than visible light but less energy than gamma rays.
- They are partially absorbed by the ozone layer, reducing their flux at the Earth's surface.
- Visible rays
- Visible rays are the most abundant form of electromagnetic radiation reaching the Earth's surface.
- They are essential for photosynthesis and are perceived as light by human eyes.
- Infrared rays
- Infrared rays have lower energy than visible light but contribute significantly to the solar radiation reaching the Earth.
- They are primarily responsible for the warming effect of sunlight.
Additional Information
- Electromagnetic spectrum
- The electromagnetic spectrum ranges from gamma rays (shortest wavelength, highest energy) to radio waves (longest wavelength, lowest energy).
- Understanding the spectrum is essential for various applications, including medical imaging, communication, and astronomy.
- Atmospheric absorption
- The Earth's atmosphere absorbs significant amounts of high-energy radiation, such as gamma rays and ultraviolet rays.
- This absorption protects living organisms from harmful radiation and influences the types of radiation that reach the Earth's surface.
- Solar radiation
- Solar radiation is the primary source of energy for the Earth's climate system and drives weather patterns.
- It includes a range of electromagnetic waves, with visible light and infrared radiation being the most significant components reaching the surface.