Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa

Diameter of the objective lens of a telescope is 250\:cm . For light of wavelength 600\:\:nm. coming from a distant object , the limit of resolution of the telescope is close to :

  • Option 1)

    1.5\times10^{-7}\:\:rad

  • Option 2)

    2.0\times10^{-7}\:\:rad

  • Option 3)

    3.0\times10^{-7}\:\:rad

  • Option 4)

    4.5\times10^{-7}\:\:rad

 

Answers (1)

best_answer

\Delta \theta =0.61\times\frac{\lambda}{r}

=0.61\times\frac{(600\times10^{-9})}{1.25}

=2.92\times10^{-7}\simeq 3\times10^{-7}\:\:rad


Option 1)

1.5\times10^{-7}\:\:rad

Option 2)

2.0\times10^{-7}\:\:rad

Option 3)

3.0\times10^{-7}\:\:rad

Option 4)

4.5\times10^{-7}\:\:rad

Posted by

solutionqc

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

Student Suicides: NTF interim report flags impact of NEET, JEE-type exams on mental health
anam-khan

Kota: JEE aspirant dies in hostel room; suicide suspected

Latest Question