JAMB Physics 1997 Question 33

Question 33

Light and Reflection

When the sun, the moon and the earth are as shown in the diagram above, an observer standing at X is in

Diagram for this question
  1. A.penumbra and sees a partial eclipse
  2. B.penumbra and sees a total eclipse
  3. C.umbra and sees a partial eclipse
  4. D.umbra and sees a total eclipse
Show the answer and explanation

Answer: A (penumbra and sees a partial eclipse)

Explanation

X is in the partly shaded region (penumbra), where the moon hides only part of the sun, so the observer sees a partial eclipse.