Free problems arranged by topic
 Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC current

 Free problems: all problems
 Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC current

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# Physics problems:optics

law of reflection

Problem 32.

The mirror shown in the figure deflects a horizontal light ray by . What is the angle  (see figure)?

Solution

Problem 33.

A laser beam leaves point A (see figure), then reflects from the mirror, and reaches point B. At which point does the beam strikes the mirror?

Solution

Problem 34.

The distance between your eyes and your toes is 170 cm. You are standing 400 cm in front of a tall mirror. What is the distance between your eyes and the image of your toes?

Problem 61.

What is the focal length of a convex mirror whose radius of curvature is 30 cm?

Problem 62.

A candle 8 cm high is 40 cm in front of a mirror whose focal length is  -70 cm. What is the height of the image?

Solution

Problem 63.

An object 6 cm long is placed 30 cm in front of a mirror with focal length of 50 cm. What are the position and the height of the image?

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