Q. A glass prism of angle gives a minimum angle of deviation with the maximum error of when a beam of parallel light passed through the prism during an experiment. The permissible error in the measurement of refractive index of the material of the prism is :

 1491  227 NTA AbhyasNTA Abhyas 2020 Report Error

Solution:

where is the minimum deviation , where is the minimum deviation





Percentage error