Answer: Mach demonstrated that perceptions are independent of any particular cluster of sensory elements.
Explanation: Full name Ernst Waldfried Josef Wenzel Mach born 18 February 1838 was an Austrian physicist.
Mach is remembered by Psychologists in the area of sensory perception, he is remembered for the optical illusion called Mach bands. He demonstrated that perceptions are independent of any particular cluster of sensory elements.
The answer is B - it celebrates the Jews escape from enslavement in Egypt.
