placing a scarf over the shade of a lamp viewing objects using the side mirror of a car looking at pebbles through the water in a stream using a flashlight to light up a forest path at night
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: During which activity will light most likely be refracted?
Possibilities:
- placing a scarf over the shade of a lamp
- viewing objects using the side mirror of a car
- looking at pebbles through the water in a stream
- using a flashlight to light up a forest path at night

looking at pebbles through the water in a stream