Lunar eclipse occurs when earth comes between the moon and the sun. a solar eclipse occurs when the moon comes in between the sun and earth. This suggests that:
(A) Both eclipses occur on a new day
(B) Solar eclipse occurs on a new moon day
(C) Lunar eclipse occurs on a new moon day
(D) Both eclipses on a full moon day

Hint Eclipses occur when celestial bodies cover other celestial bodies for a few moments while revolving and rotating into their elliptical circle and axis. Full moon day is when the moon is fully visible from earth and new moon day is when moon is not visible from earth.

Complete step by step solution
Eclipses are astronomical events when a celestial body covers another celestial object. Eclipse happens on earth when the sun, moon and earth are almost in a straight line. A solar eclipse happens only when the new moon comes between earth and the sun and all three celestial bodies are configured in almost straight line.
There are three types of solar and lunar eclipse: Solar eclipse:- Total, partial and annular solar eclipses Lunar eclipse:- Total, partial and penumbral lunar eclipses.
We will discuss these later. Here we have found our answer that solar eclipses occur on a new moon day and lunar eclipses occur on a full moon day.

 Therefore, the only correct answer is option B.

Note A lunar eclipse happens only when the earth comes between the moon and the sun and blocks the sun rays to directly fall into the moon and all three celestial bodies configure an almost straight line. Lunar eclipse only occurs on Full moon day.