1.

Angular resolution of telescope is of order of ...... for 10 cm objective diameter and 5000 Å wavelength of light.

Answer»

`10^6` RAD
`10^(-2)` rad
`10^(-4)` rad
`10^(-6)` rad

Solution :`delta phi =1.22(lambda)/(D)`
`=1.22(5000xx10^(-10))/(10xx10^(-2))`
`=6.1xx10^(-6)`
`deltan=10^(-6)` rad
`lambda=5000` Å
`=5000xx10^(-10)m`
D=10 CM
`=10xx10^(-2)m`


Discussion

No Comment Found

Related InterviewSolutions