Physics Ray Optics Level: High School
Refraction
A ray of red light in material #1 strikes an interface at an angle of 40 degree , and the ray of light enters material #2 at an angle of 50 degrees . As is crossed the interface the ray of light had its speed . Explain your reasoning .a) Decrease
b) Increase
c) Remain constant
d) Answer depends on the frequency of the light
Physics Ray Optics Level: High School
A convex mirror is used to reflect light from an object placed 60 cm in front of the mirror . The radius of the curvature is R = 88 cm .a) Find the location of the image .
b) Draw the ray diagram .
Physics Ray Optics Level: High School
If the image height is 10 cm and the objects height is 1 cm , then the magnification is ?a) 10 times
b) 2 times
c) 100 times
d) 0.1 times
e) None of the above
Physics Ray Optics Level: High School
You see colors in a rainbow. why ?a) interference
b) diffraction
c) dispersion
d) refraction
e) polarization
Physics Ray Optics Level: High School
Light spreads out when it passes through a narrow slit because of ?a) interference
b) diffraction
c) specular reflection
d) diffuse reflection
e) polarization
Physics Ray Optics Level: High School
The colors of objects we see by reflected light are due to what ?a) interference
b) subtractive mixing
c) specular reflection
d) diffuse reflection
e) polarization
Physics Ray Optics Level: High School
The study of rainbows would fall under what subfield of physics ?a) Mechanics
b) Thermodynamics
c) Electricity and Magnetism
d) Optics
e) Atomic Physics
Physics Ray Optics Level: High School
In a thin water film in air , there are exactly 80 wavelengths of blue light inside the film . The reflected light from the two surface of the film will ?a) Be brightest in the blue part of the spectrum
b) Have the normal amount of blue light
c) None of the options
d) Be deficient in blue light
Physics Ray Optics Level: High School
Reflections
The radius of curvature of a spherical mirror is 32 cm . Rays parallel to the axis of the mirror will be brought into focus at a point that is what distance from the mirror ?a) 8.0 cm
b) 4.0 cm
c) 32 cm
d) 16 cm
Physics Ray Optics Level: High School
A beam of light falls from air onto a slab of transparent plastic at an angle of incidence of 45degrees C . The angle of refraction of the refracted ray in the plastic is 30 degrees C . What is the refractive index of the plastica) 1
b) ½
c) Square root 2
d) 2
Physics Ray Optics Level: High School
A beam of light falls from air onto a slab of transparent plastic at an angle of incidence of 45degrees C . The angle of refraction of the refracted ray in the plastic is 30 degrees C . What is the refractive index of the plastica) 1
b) ½
c) Square root 2
d) 2
Physics Ray Optics Level: High School
Completely polarized light passed through a polarizing sheet . The light that passes through has an intensity of 50% of the incident beam . The angle between the direction of polarization of the incident beam and the direction of polarization of the sheet must be .a) 30 degree
b) 45degree
c) 90 degree
d) 60 degree
Physics Ray Optics Level: High School
Superposition Principle
Two waves with identical frequency but different amplitudes A1 = 6.0 cm and A2 = 3.0 cm , occupy the same region of space (are superimposed ) .a) At what phase difference does the resulting wave have the largest amplitude ? What is the amplitude of the resulting wave in that case ?
b) At what phase difference does the resulting wave have the smallest amplitude and what is its amplitude ?
Physics Ray Optics Level: High School
Light of wavelength 0.512 micro m (in air ) enters the water in a swimming pool . The speed of light in water is 0.730 times the speed in air . What is the wavelength of the light in water ?
Physics Ray Optics Level: High School
Consider two slabs of material with the same thickness , but made of materials differing in their index of refraction . Which of the following are true ?