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Calculating Wave Frequency

Total questions: 12

Worksheet time: 14mins

Name
Class
Date
1.
A wave machine generated waves with a wavelength of 0.080 m at a constant wave speed of 17 m/s.  Calculate the frequency of the waves.
a)
212 Hz
b)
1.36 Hz
c)
0.00470 Hz
d)
16.92 Hz
2.
The speed of sound in air is 340 m/s.  The frequency of the sound waves generated by my voice is 720 Hz.  Calculate the wavelength of sound of my voice.
a)
380 m
b)
0.472 m
c)
2.11 m
d)
244,800 m
3.
Sound waves travel 2000 m in 6.14 seconds  Calculate the speed of sound. 
a)
326 m/s
b)
12,280 m/s
c)
0.0031 m/s
d)
1993.8 m/s
4.

Red light has a wavelength of 675 x 10-9 m. What is its frequency?

a)

2.03x1011 m

b)

4.44x1014 Hz

c)

4.44x1014 nm

d)

2.03x1011 Hz

5.

The frequency of violet light is 7.5x1014 Hz. What is its wavelength?

a)

4.0x10-7 m

b)

4.0x107 m

c)

2.25x1023m

d)

2.25x1023 Hz

6.

The wavelength equation is...

a)

v = f λ

b)

v = r i

c)

v = I/R

7.

A wave with frequency 120Hz and wavelength 3.0m has a wave speed of

a)

420 m/s

b)

240 m/s

c)

330 m/s

d)

360 m/s

8.

A wave with a frequency 45Hz and wavelength of 0.2m has a wave speed of

a)

19 m/s

b)

9.0 m/s

c)

90 m/s

d)

0.9 m/s

9.

A wave has a wave speed of 150 m/s and frequency of 300Hz, the wavelength is

a)

5m

b)

50m

c)

0.5m

d)

50cm

10.

A wave has a wave speed of 280m/s and a frequency of 70Hz, the wavelength is

a)

4m

b)

14m

c)

7m

d)

40m

11.

A wave has a wave speed of 340 m/s and a wavelength of 1.7m, the frequency is

a)

20Hz

b)

200Hz

c)

2Hz

d)

28Hz

12.

A wave has a wave speed of 2450 m/s and a frequency of 350Hz, the wavelength is

a)

8.57m

b)

0.14m

c)

17m

d)

7m