Question

Which of the following is not caused by atmospheric refraction of light?


A. Sun appearing red at sunset


B. Twinkling of stars at night


C. Sun appearing higher in the
sky than it actually is

D. Sun becoming visible two
or three minutes before
actual sunrise

E. The apparent flattening of
the Sun’s disc at sunrise and
sunset​

Answer 1

B is correct answer.

Answer 2

Answer:

B. Twinkling of star at night