Waves and the Nature of Light Random Retrieval

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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

The work functions of four metals are shown above. These metals are irradiated by incident light of 5.2x1014 Hz, which metals will emit electrons?

2 / 10

Which sentence is true of ultrasound transducers?

3 / 10

Why is gel added to a patient's skin when using ultrasound?

4 / 10

A blue laser of wavelength 480 nm is incident on a diffraction grating of 3.00x106 lines per metre, how many order maxima (excluding 0 order) can be seen?

5 / 10

The greatest amount of diffraction occurs when _________.

6 / 10

An image of a perfectly circular object of radius 25.8 cm is projected onto a screen. The object is also perfectly circular and has an area of 16.3 cm. Calculate the magnification on the lens.

7 / 10

The speed of light in the core of a fibre optic cable is 2.04x108 ms-1. Calculate the refractive index.

8 / 10

This image shows a cross section of fibre optic cable. Select why the ray enters the cladding.

9 / 10

Which condition is not necessary for the production of a stationary wave?

10 / 10

Select the wave with the highest frequency.

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