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    • 1. What is a ray in geometry?
    A
    A line that extends infinitely in one direction.
    B
    A closed figure with three sides.
    C
    A line segment with two endpoints.
    2. Which type of ray is used in optics?
    A
    Light ray.
    B
    Gravity ray.
    C
    Sound ray.
    3. What is the symbol for a ray in geometry?
    A
    A dashed line.
    B
    A line with an arrow on one end.
    C
    A solid line.
    4. How many endpoints does a ray have?
    A
    Two endpoints.
    B
    One endpoint.
    C
    No endpoints.
    5. In which direction does a ray extend?
    A
    Only to a certain point.
    B
    Infinitely in one direction.
    C
    In both directions.
    6. What is the difference between a ray and a line segment?
    A
    A ray has one endpoint, while a line segment has two.
    B
    A ray is shorter than a line segment.
    C
    A ray is curved.
    7. Which of the following is an example of a ray?
    A
    A circle.
    B
    A triangle.
    C
    The sun's rays.
    8. What is the term for the starting point of a ray?
    A
    The intersection.
    B
    The midpoint.
    C
    The endpoint.
    9. In ray tracing, what is primarily simulated?
    A
    Sound waves.
    B
    Gravity effects.
    C
    Light behavior.
    10. What is the notation for a ray starting at point A and passing through point B?
    A
    AB with a line segment over it.
    B
    AB without any notation.
    C
    AB with an arrow over it.