In a plane transmission grating the width of a ruling is 12000 A and the width of a slit is 8000 A the grating element is
A. 20 µm
B. 2 µm
C. 200 µm
D. 10 µm
Answer:B
In a plane transmission grating the width of a ruling is 12000 A and the width of a slit is 8000 A the grating element is
A. 20 µm B. 2 µm C. 200 µm D. 10 µm