Waves

Waves, particles and measurement

1. Sir Isaac Newton’s corpuscular theory of light in Opticks treated light as

Select one:

a. Having a discrete mass

b. Both energy and matter

c. A stream of particles

d. Eternal

2. Plato thought of light as coming from

Select one:

a. The sun

b. The air

c. Our eyes

d. The gods

3. The appearance of waves spreading out after moving through an opening is one example of the phenomenon called

Select one:

a. Corpuscular theory

b. Huygens pattern

c. Diffraction

d. Maxwell’s Law

4. Which of the following is a practical example of destructive interference

Select one:

a. LCD displays

b. Window blinds

c. Sound cancelling headphones

d. Polarized sunglasses

5. Light is

Select one:

a. Only a Wave

b. Only a Particle

c. Both a wave and a particle

d. Neither a wave nor a particle

6. Quantum physics can best be described as

Select one:

a. The study of turbulent compressible fluid motions

b. The study of matter on discrete, very small scales

c. The study of distant quasi-stellar objects in the early universe

d. The study of fission and fusion

7. The creation of an interference pattern is indicative of

Select one:

a. Organized molecular blockage

b. Misaligned polarization

c. Opposite charged magnetic poles

d. Wave propagation

8. Albert Einstein called light ______ for which he won the Nobel Prize in 1921 Lasers

Select one:

a. Lasers

b. Waves called ‘photoelectrons’

c. Energy packets named ‘photons’

d. Masers

9. The linear distance between two successive peaks on a wave is called a _____

Select one:

a. Decibel

b. Amplitude

c. Frequency

d. Wavelength

10. Light from the most distant galaxies has been travelling for ______ before reaching our eyes.

Select one:

a. Billions of years

b. Hundreds of years

c. Millions of years

d. Thousands of years

11. Sarah notices that when waves from two different sides of a wave tank meet the waves seem to vanish. What is she observing?

Select one:

a. Resonance

b. Annulment

c. Disintegration

d. Destructive interference

12. Quantum physics describes the interaction of matter and light on _____ scales

Select one:

a. Global

b. Atomic

c. Galactic

d. Imaginary

13. Thomas Young’s work compared interference patterns in water waves with light produced by his _____

Select one:

a. Difference engine

b. Double-slit experiment

c. Stream of particles

d. Shadow masks

14. Euclid identified properties of light including moving in straight lines and laws of _____

Select one:

a. Electromagnetism

b. Radiation

c. Natural Motion

d. Reflection

15. When the double slit experiment is performed with a strong coherent source of light such as a laser we observe evidence that light behaves like a wave

Select one:

True

False

16. When peaks and toughs of two waves line up and add together this is called _____

Select one:

a. Destructive interference

b. Additive alignment

c. Constructive interference

d. Corrective alignment

17. A wave can be thought of as a _____ while a particle is a ______

Select one:

a. Individual; Group

b. Pattern; Discrete object or quantity

c. Peak; Valley or trough

d. Wavelength; Frequency

18. James Clerk Maxwell discovered that light is a type of _____ and can travel through the vacuum of space

Select one:

a. Radiant matter

b. Electromagnetic wave

c. High energy particle

d. Acoustic resonance

19. In much the same way that Newton is associated with laws of classical mechanics, Maxwell is

Select one:

a. Electromagnetism

b. Astrophysics

c. Quantum mechanics

d. Linear algebra

20. The work of _____ on light was not widely regarded at the time because it was the opposite of what Newton (who was already wildly famous) had proposed

Select one:

a. Albert Einstein

b. Thomas Young

c. Aristotle

d. Christiaan Huygens

21.

We see water waves readily in the sea, lakes or even puddles. How do we most commonly sense waves in air?

Select one:

a. Touch

b. Sight

c. Hear

d. Taste

22. If light is seen to diffract through an opening then light behaves like

Select one:

a. A wave

b. A stream of particles

c. A single particle

d. A photon