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Question 1
A student is investigating the path light takes as it enters a glass block. |
a) | Complete the ray of light to show the light entering the glass block.
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b) | State the piece of equipment the student should use to measure the angle of incidence and the angle of refraction.
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c) | The student measures the angle of incidence to be 35°. Which of the following could be the angle of refraction? A 35° B 45° C 57° D 20°
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Question 2
A student is investigating the properties of light. They shine a thin beam of light at a plane mirror. |
a) | State what happens to the light when it is incident on the plane mirror.
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b) | The student measures the angles of incidence and reflection for her investigation. The student has incorrectly measured one of the angles. State which of the students results is anomalous.
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c) | Calculate the average angle of reflection for each angle of incidence.
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d) | State the law of reflection.
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Question 3
A student is investigating the path of light as it travels from air into glass. The student uses a ray box with a thin slit to shine a narrow beam of light at the glass block. |
a) | State the name of the piece of apparatus used to measure the angle of incidence and angle of refraction.
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b) | On the diagram below, label the angle of incidence, i, and the angle of refraction, r.
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c) | The student plots a graph of the angle of incidence against the angle of refraction. Draw a line of best fit and use it to estimate the angle of refraction when the angle of incidence is 35°.
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d) | State the angle of refraction when the angle of incidence was 40°.
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Question 4
A student is investigating the path of light through a transparent block. The table below shows the student's data. |
a) | Describe a method the student could use to obtain the results in the table above.
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Question 5
This question is about light. |
a) | The speed of light in a vacuum is 3 x 106 m/s​ 3 x 108 m/s​ 3 x 1010 m/s​ 330 m/s
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b) | When light travels from a more optically dense medium to a less optically dense medium, light bends from the normal. When light travels from a less optically dense medium to a more optically dense medium, light bends the normal. away towards
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c) | When light travels from air into water, which of the following decreases? A frequency B amplitude C time period D wavelength
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d) | A student is investigating the properties of a red laser. The laser has a wavelength of 6.50 x 10-7 m. Calculate the frequency of the light.
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Question 6
A student is investigating the bending of light as it travels through different materials. |
a) | State the name of the phenomenon that occurs when light bends as it travels between different materials.
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b) | A student draws a prediction of how they think the light will pass through the glass block. There are three errors in the students diagram. Describe the three errors in the student's diagram.
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c) | Draw a corrected version of the diagram above.
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d) | The student uses a ray box with a narrow slit to produce a thin beam of light. Explain why it is better to use a thin beam of light when investigating refraction.
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Question 7
This question is about the refraction of light through a glass block. The student shines a thin beam of light at a glass block causing it to refract. |
a) | Draw a normal line on the student's diagram.
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b) | The student uses a protractor to measure the angle of incidence. State the angle of incidence recorded by the student.
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c) | The table below shows the student's data. Plot a graph of the student's results. Model answer
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