AFNS — AFNS Physics
Waves
Page 2 of 5
#9 Longitudinal wave example:
A) Sound in air
B) Light in vacuum
C) Water surface ripples approx transverse
D) Radio em transverse
Answer: A
#10 Wavelength symbol:
A) lambda
B) f
C) T
D) v only
Answer: A
#12 Wave speed v equals:
A) f lambda
B) f/lambda
C) lambda/f wrong inverse
D) f lambda^2
Answer: A
#14 Amplitude measures:
A) Maximum displacement
B) Speed
C) Frequency
D) Mass
Answer: A
#15 Reflection angle equals:
A) Incident angle
B) Twice incident
C) Zero always
D) 90 always
Answer: A
#16 Refraction due to:
A) Change in speed at boundary
B) Mass change
C) Colour only
D) Gravity
Answer: A
Page 2 of 5
Register or Login for comments
Comments: