Question:
The material used in the fabrication of infrared LED's is
The material used in the fabrication of infrared LED's is
Show Hint
Gallium arsenide phosphide (GaAsP) is frequently used for producing infrared LEDs, especially in applications like remote controls and optical communication.
Updated On: May 21, 2025
- Silicon
- Germanium
- Gallium arsenide phosphide
- Carbon dioxide
Hide Solution
Verified By Collegedunia
The Correct Option is C
Approach Solution - 1
Infrared LEDs (Light Emitting Diodes) are typically made from materials that can emit infrared light when excited electrically. The material commonly used for infrared LEDs is Gallium arsenide phosphide (GaAsP), which has the appropriate band gap for infrared emission.
Was this answer helpful?
0
0
Hide Solution
Verified By Collegedunia
Approach Solution -2
Step 1: Understanding Infrared LEDs
Infrared LEDs emit light in the infrared region of the electromagnetic spectrum, which is invisible to the human eye.
Step 2: Material properties required
The material used must have a suitable band gap to emit infrared light efficiently.
Step 3: Common materials used
Gallium arsenide phosphide (GaAsP) is widely used because it has an appropriate band gap for infrared emission.
Step 4: Conclusion
Hence, Gallium arsenide phosphide is the material used in the fabrication of infrared LEDs.
Infrared LEDs emit light in the infrared region of the electromagnetic spectrum, which is invisible to the human eye.
Step 2: Material properties required
The material used must have a suitable band gap to emit infrared light efficiently.
Step 3: Common materials used
Gallium arsenide phosphide (GaAsP) is widely used because it has an appropriate band gap for infrared emission.
Step 4: Conclusion
Hence, Gallium arsenide phosphide is the material used in the fabrication of infrared LEDs.
Was this answer helpful?
0
0
Questions Asked in AP EAPCET exam
- If \(\alpha, \beta, \gamma\) are the roots of the equation \[ x^3 - 13x^2 + kx + 189 = 0 \] such that \(\beta - \gamma = 2\), then find the ratio \(\beta + \gamma : k + \alpha\).
- If the distance of a variable point \(P\) from a point \(A(2,-2)\) is twice the distance of \(P\) from the Y-axis, then the equation of locus of \(P\) is:
- AP EAPCET - 2025
- Triangles
- Among the following, the physical quantity having the dimensions of Young's modulus is
Identify the correct option from the following:- AP EAPCET - 2025
- Basic Physics
- If three particles of each charge \( +q \) are placed at the three vertices of an equilateral triangle of side \( \sqrt{3}r \), then the net electric field at the centroid of the triangle is:
- AP EAPCET - 2025
- Electrostatics
- If \( f : \mathbb{R} \to \mathbb{R} \) and \( g : \mathbb{R} \to \mathbb{R} \) are two functions defined by \( f(x) = 2x - 3 \) and \( g(x) = 5x^2 - 2 \), then the least value of the function \((g \circ f)(x)\) is:
- AP EAPCET - 2025
- Functions
View More Questions