What Makes Pink Ink Pink

Q22: Light spreads out when it passes through

Q23: The lens formula relating the image distance,p,to

Q24: The lens formula relating the image distance,p,to

Q25: The advantage of a convex mirror is

Q26: The primary mirror in an astronomical telescope

Q28: In this figure a light ray travels

Q29: ​Match each item with the correct statement

Q30: A convex mirror will allow you to

Q31: Certain types of sunglasses are very effective

Q32: Liquid crystal displays make use of interference