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1. Which of the following phenomena describes no difference between the wave theory and particle theory
of light?
A diffraction
B. interference
C. reflection
D. refraction
2. Which factor remains constant when light travels in a different medium?
A. Color
B. Frequency
C. Speed
D. Wavelength
3. Why does a blue t-shirt appear blue?
A Blue is absorbed by the t-shirt
B. Blue is emitted by the t-shirt
C. Blue is reflected by the t-shirt
D. Blue is refracted by the t-shirt.
4. E=hf is an equation that describes the relationship between energy (E) and frequency of light (f). What
will happen to the energy of light as the frequency goes higher?
A. It goes higher
C. It remains the same.
B. It goes lower.
D. It undetermined.
5. Under which type of light do we easily get sunburned?
A. infrared
B. microwave
C. ultraviolet light light D. white light​