Sound & Light Quiz

Froggy Jumps

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Sound and light basics

iris siri

Philippines

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Sound & Light Quiz


Froggy Jumps Sound & Light QuizVersion en ligne Sound and light basics par iris siri 1 What is the approximate speed of light in vacuum? a 3,000 km/s b about 300,000 km/s c 30,000 km/s 2 Which phenomenon causes light to split into colors? a diffraction b dispersion c reflection 3 Light can travel through which type of medium? a empty space only b a medium such as air, water, or solids c vacuum only 4 Higher pitch in a sound corresponds to which property? a higher amplitude b longer wavelength c higher frequency 5 What is the speed of sound in air at room temperature? a 34,000 m/s b about 343 m/s c 3,000 m/s 6 An echo is a phenomenon of what? a a reflected sound wave b a diffracted wave c a transmitted sound 7 White light contains which of the following? a no colors, it’s pure energy b only red and blue c all visible colors 8 For light, what happens to wavelength if frequency increases while speed is constant? a wavelength doubles b stays the same c wavelength halves 9 What does the law of reflection state? a incidence angle equals reflection angle b incidence angle equals transmission angle c reflection angle is twice the incidence 10 Why does a prism split white light into colors? a diffraction around edges b dispersion due to different speeds in glass c reflection at surfaces