Click here:point_up_2:to get an answer to your question :writing_hand:a figure shows a crosssection of a light pipe made
Click here👆to get an answer to your question ✍️ -a- Figure shows a cross-section of a light pipe made of a glass fibre of refractive index 1-68- The outer covering of the pipe is made of a material of refractive index 1-44- What is the range of the angles of the incident rays with the axis of the pipe which total reflections inside the pipe take place- as shown in the figure-b- What is the answer there is no outer covering of the pipe-
-a-x3BC-1-1-68-x3BC-2-1-44-x3BC-1-x3BC-2-1-sini1-x21D2-i1-59oFor critical angle- total internal reflection takes place when i-gt-i1maximum angle of reflection is 90-x2212-i1-31o-rmaxLet imax be the maximum angle of incidence-x3BC-1-sinimax-sinrmax-x21D2-imax-60oThus all the ray between 0o-lt-i-lt-60o will suffer TIR-b-Now- -x3BC-1-1 -air-sini-sinr-x3BC-2-x3BC-1-x21D2-r-36-5oi-90-x2212-36-5-53-5oSince i-gt-r- all incident ray will suffer TIR
Figure 9.28 shows a cross-section of a 'light pipe' made of a glass fibre of refractive index 1.68.
NCERT solutions for Physics Class 12 chapter 9 - Ray Optics and Optical Instruments [Latest edition]
7 (a) Figure 9.35 shows a cross-section of a 'light pipe' made of a glass fibre of refractive index 1.68. The outer covering of the pipe is made of a material of
Figure shows a cross section of a 'light pipe made of a glass fibre of refractive index 2. The outer covering of the pipe is made of a material of refractive index .
Ray Optics Numericals
9.17 (a) Figure 9.28 shows a cross-section of a 'light pipe' made of a gl..
Tamil] a.Figure shows a cross-section of a 'light pipe' made of glass
Ray Optics Numericals
Figure shows a cross-section of a light pipe made of a glass fibre of refractive index 1.68.
9.17 (a) Figure 9.35 shows a cross-section of a 'light pipe' made of a gl..
NCERT Solutions for Class 12 Physics Chapter 9 Ray Optics And Optical Instruments.