In using ray tracing to graphically locate the image of an object that is placed in front of a mirror, describe three simple rays that you could draw that pass by the head of the object

What will be an ideal response?


Ray 1: the radial ray; i.e., the ray drawn toward the center of curvature, which is then reflected back along the same path.
Ray 2: the parallel ray; i.e., the incoming ray parallel to the main axis, which is then reflected along a path that extends to the focal point.
Ray 3: the focal ray; i.e., the ray drawn toward the focal point, which is then reflected back parallel to the main axis.

Physics & Space Science

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The brakes in a car work because of

a. Archimedes' principle b. Pascal's principle c. Bernoulli's principle d. Torricelli's principle e. none of these principles

Physics & Space Science

Meteor showers are

A) usually annual events, as the orbits again intersect. B) caused by the Earth passing near the orbit of an Earthgrazing asteroid. C) caused by the Earth passing near the orbit of an old short-period comet. D) Both A and B are correct. E) Both A and C are correct.

Physics & Space Science

A wave is traveling with a velocity of 350 m/s and strikes a surface at an angle of 30.0 degrees with the normal to the surface. The wave splits into a reflected part and a refracted part. The refracted wave travels with a velocity of 300 m/s. What is the angle of refraction?

A. 50.4 degrees B. 45.2 degrees C. 40.4 degrees D. 38.4 degrees E. 25.4 degrees

Physics & Space Science

A person's face is 30 cm in front of a concave spherical shaving mirror. If the image is an erect image that is 1.5 times as large as the object, what is the focal length mirror?

A) 20 cm B) 50 cm C) 70 cm D) 90 cm

Physics & Space Science