IMSO 2015 Science International - Theory I Question 4

Question 4

If the size of the light source is getting smaller, how are the umbra and penumbra changing? (1 point)

1. The umbra is getting smaller. The penumbra is getting smaller.
2. The umbra is getting smaller. The penumbra is getting bigger.
3. The umbra is getting bigger. The penumbra is getting smaller.
4. The umbra is getting bigger. The penumbra is getting bigger.