1. Which of these is the correct term for a wave where the individual particles move at right angles to the direction of the wave energy transfer?

• A. Transverse
• B. Longitudinal
• C. Refracted
• D. Propagated

• A). Water (surface) waves
• B), Sound wave
• C). Radio wave
• D). Mexican wave

3. An image formed in a mirror is not real. What is the name given to this?

• A. Imaginary image
• B. Reflected image
• C. Virtual image
• D. Incident image

4. The image is also

• A. laterally inverted and upright
• B. vertically inverted and upright
• C. laterally inverted and upside down
• D. totally inverted and upside down

6. Which of these diagrams shows the motion of waves passing through a gap of similar size to the wavelength?

7. What is this effect (above) called?

• A. refraction
• B. deflection
• C. diffusion
• D. diffraction

8. A longitudinal wave such as a sound wave has regions of

• A. compressions and decompressions
• B. peaks and troughs
• C. compressions and rarefactions
• D.troughs and rarefactions

9. Which of these arrows correctly shows the amplitude and wavelength?

• A). v= ƒ λ
• B). v= T λ
• C). v= 1/T
• D). v= Tƒ