U5.1 – Introduction to Waves

13

Introduction to Waves

1 / 15

Select on the diagram which arrow represents the wavelength of the wave.

2 / 15

Select the wave with the smallest amplitude.

3 / 15

Select the wave with the highest frequency.

4 / 15

Which wave is being described here: The motion of energy is perpendicular to the direction of travel.

5 / 15

Which wave is being described here: The motion of energy is along the same direction as the direction of travel.

6 / 15

Calculate the speed of a wave with a frequency of 10 kHz and a wavelength of 2 m.

7 / 15

Calculate the frequency of a wave travelling at 500 ms-1 with a wavelength of 25 m.

8 / 15

Calculate the speed of a wave with a time period of 1x10-3 s and a wavelength of 250 cm.

9 / 15

Mark reads the back label of his microwave oven, it says frequency = 2450 MHz. Calculate the wavelength.

10 / 15

Soumya plays a note of wavelength 25 cm on her synthesiser. She knows the speed of sound is 340 ms-1 in air. Calculate the frequency.

11 / 15

A sound wave of wavelength 0.332 m has a time period of 10-3s. If the time period is decreased to 10-4 s. Calculate the wavelength of the new wave.

12 / 15

Calculate the intensity of a wave of power 1.6 KW and falling on an area of 2.1×104 m2?

13 / 15

Polarisation only occurs with which type of waves?

14 / 15

If unpolarised light waves pass through two polarised filters, and no light can be seen through them, what is the angle between the two transmission axes of the filters?

15 / 15

When two polarised filters have an angle of 45° between their two transmission axes, what is the intensity of the light detected compared to the unpolarised incident light?

Thank you for taking the quiz. Please fill in the fields below and you will receive your results in an email.

If you have been set this as homework, you should forward this email to your teacher as evidence you have completed the quiz.

If you don't receive your email please check your spam or junk folder.

Your score is

0%