Questions
To an observer on the earth the stars appear to twinkle. This can be ascribed to
a
The fact that stars do not emit light continuously
b
Frequent absorption of star light by their own atmosphere
c
Frequent absorption of star light by the earth's atmosphere
d
The refractive index fluctuations in the earth's atmosphere
detailed solution
Correct option is D
Refractive index of earth's atmosphere is variable through out the atmosphere, it fluctuates with altitude which makes the stars appears to twinkle.Talk to our academic expert!
Similar Questions
The refractive index of medium of a rectangular slab varies as . The ray enter from air to slab at origin in the condition of grazing incidence. The trajectory of ray inside slab is
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
Popular Books
HC Verma Part 1HC Verma Part 2RS AgarwalRD SharmaLakhmir SinghDK GoelSandeep GargTS GrewalNCERT solutions
Class 12 NCERT SolutionsClass 11 NCERT SolutionsClass 10 NCERT SolutionsClass 9 NCERT SolutionsClass 8 NCERT SolutionsClass 7 NCERT SolutionsClass 6 NCERT Solutions
