Waves and the Nature of Light Random Retrieval

1

Waves & the Nature of Light Random Retrieval

This quiz contains all the questions in the Waves & the Nature of Light section. The website will pick 10 questions at random.

1 / 10

Which is the correct chronological of discoveries from these scientists?

2 / 10

The wavelength of the electrons can be measured by diffraction. An electron gun accelerates electrons into a beam, these were diffracted and upon diffraction the wavelength was found to be 1.23×10-9m. Calculate the potential difference used to accelerate the electrons from rest into a beam.

3 / 10

For the first electron to be liberated from a helium atom 24.6 eV of energy is required. Calculate the frequency of light needed.

4 / 10

What happens when a ultrasound wavelength meets an interface in the body?

5 / 10

Complete the sentence: "When waves pass from one medium to another, if the mediums have similar densities then most of the energy is ____________."

6 / 10

A lens has a focal length of 4.8 cm. Calculate the lens' power.

7 / 10

Light travelling through air is incident on glass at an angle of 23°. The refractive index of the glass is 1.52. Calculate the angle of refraction.

8 / 10

Light travels at 2.25x108 ms-1 in water, what is the refractive index of water?

9 / 10

An experiment is set up as shown above, with two speakers connected to the same signal generator and switched on. At what points is the path difference an integer?

10 / 10

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

Your score is

0%