Answer: The car bumper is designed to prevent or reduce physical damage to the front and rear ends of passenger motor vehicles in low speed collisions
Explanation:
What are the options? I can try to give you an answer if options are provided.
Answer:
photoelectric effect, phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation. The effect is often defined as the ejection of electrons from a metal plate when light falls on it.
