Physics Quiz

What is the human perception of sound volume primarily dependent on?

• Pitch

• Wavelength

• Intensity

• Frequency

What is the relationship between frequency and the number of wavelengths per minute?

• Exponential

• Inverse proportional

• No relationship

• Direct proportional

What is the change in the wave frequency that occurs due to the relative motion of the wave as it moves toward or away from an observer called?

• Doppler effect

• Refraction

• Diffraction

• Interference

Which type of lens corrects the vision of a farsighted person?

• Convex lens

• Concave lens

• Bifocal lens

• Cylindrical lens

What is the foundation of the food supply for other organisms in an ecosystem?

• Detritivores

• Carnivores

• Heterotrophs

• Autotrophs

In a symbiotic relationship where one organism benefits and the other is neither helped nor harmed, what is it called?

• Commensalism

• Mutualism

• Parasitism

• Competition

What is the process by which water is continuously cycled through the biosphere called?

• Carbon cycle

• Nitrogen cycle

• Phosphorus cycle

• Water cycle

Which type of biodiversity refers to the variety of ecosystems in the biosphere?

• Population diversity

• Genetic biodiversity

• Species diversity

• Ecosystem diversity

What is the importance of biodiversity that provides humans with food, clothing, energy, medicine, and shelter?

• Aesthetic value

• Scientific value

• Indirect economic value

• Direct economic value

What is the characteristic of an image formed by a plane mirror?

• Real, inverted, same size as object

• Virtual, upright, reversed left to right, same size as object

• Virtual, inverted, magnified

• Real, upright, smaller than object