AFNS — AFNS Physics

Waves


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#9

Longitudinal wave example:

A) Sound in air

B) Light in vacuum

C) Water surface ripples approx transverse

D) Radio em transverse

Answer:   A
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#10

Wavelength symbol:

A) lambda

B) f

C) T

D) v only

Answer:   A
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#11

Frequency f unit:

A) Hz

B) m

C) s

D) N

Answer:   A
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#12

Wave speed v equals:

A) f lambda

B) f/lambda

C) lambda/f wrong inverse

D) f lambda^2

Answer:   A
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#13

Period T equals:

A) 1/f

B) f

C) lambda

D) v

Answer:   A
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#14

Amplitude measures:

A) Maximum displacement

B) Speed

C) Frequency

D) Mass

Answer:   A
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#15

Reflection angle equals:

A) Incident angle

B) Twice incident

C) Zero always

D) 90 always

Answer:   A
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#16

Refraction due to:

A) Change in speed at boundary

B) Mass change

C) Colour only

D) Gravity

Answer:   A
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