Which of the following is not true about the total lunar eclipse?
(a) A lunar eclipse can occur on a new moon and full moon day
(b) The lunar eclipse would occur roughly every month, if the orbits of earth and moon were perfectly coplanar
(c) The moon appears red during the eclipse because the blue light is absorbed in earth’s atmosphere and red is transmitted
(d) A lunar eclipse can occur only on a full moon day
Answer is : (a)
A lunar eclipse occurs only on a full moon day. So, option (a) is incorrect.