Year 9 physics quiz

ROUND ONE: LIGHT

Are radio waves apart of the electromagnetic spectrum? Question One: Are radio waves apart of the electromagnetic spectrum?

Question Two: Give an example of Ultra Violet waves.

Explain how blue light can travel through a Magenta filter. Question Three: Explain how blue light can travel through a Magenta filter.

Question Four: Why does an apple appear to be red?

Question Five: How does a shadow form?

When white light shines through a prism, which colour bends the most? Question Six: When white light shines through a prism, which colour bends the most?

Question Seven: List the Seven colours of the Rainbow in order.

ROUND ONE: LIGHT - Answers

Are radio waves apart of the electromagnetic spectrum? Question One: Are radio waves apart of the electromagnetic spectrum? - Yes

Question Two: Give an example of Ultra Violet waves. - From the Sun, tanning bed, Black light.

Explain how blue light can travel through a Magenta filter. Question Three: Explain how blue light can travel through a Magenta filter. - Magenta is made up of red and blue and therefore when blue light shines through it, blue transmits.

Question Four: Why does an apple appear to be red? - All light is absorbed expect red, which gets reflected into your eyes.

Question Five: How does a shadow form? - A shadow forms because light travels in a straight line, therefore stopping once it contacts an object.

When white light shines through a prism, which colour bends the most? Question Six: When white light shines through a prism, which colour bends the most? - Violet

Question Seven: List the Seven colours of the Rainbow in order. Red Orange Yellow Green Blue Indigo Violet

ROUND TWO: MIRRORS AND LENSES

What does the following diagram show? Question One: What does the following diagram show?

What is the name of the ray that comes from a light source? Question Two: What is the name of the ray that comes from a light source?

Complete the following sentence: Question Three: Complete the following sentence: The angle of __________ is equal to the angle of _______ when measured from the _________.

Name the three types of mirrors and an every day use for them. Question Four: Name the three types of mirrors and an every day use for them.

Question Five: True or False? When light passes through a convex lens, all the rays converge (move towards) each other.

Question Six: If you looked into a Concave mirror up close and then far away, how would you see yourself?

ROUND TWO: MIRRORS AND LENSES – ANSWERS

What does the following diagram show? Question One: What does the following diagram show? - A Convex lens

What is the name of the ray that comes from a light source? Question Two: What is the name of the ray that comes from a light source? - The Incident Ray

Complete the following sentence: Question Three: Complete the following sentence: The angle of __________ is equal to the angle of __________ when measured from the________. Incidence Reflection Normal

Question Four: Name the three types of mirrors and an every day use for them. Plane Mirror – Wall/Dressing Mirrors. Convex Mirror – On the street to see around a corner, in stores. Concave Mirror – Applying Make up

Question Five: True or False? When light passes through a concave lens, all the rays converge (move towards) each other. - False

Question Six: If you looked into a Concave mirror up close and then far away, how would you see yourself? Up close you would be the right way up but magnified. From far away you would be upside down and magnified.

ROUND THREE: THE EYE

What is the type of lens that is in your eyeball? Question One: What is the type of lens that is in your eyeball?

Question Two: What is the name of the nerve in your eye that sends the image to your brain?

What is the function of the pupil? Question Three: What is the function of the pupil?

Is the retina in a human eye usually shiny like the cows eyeball? Question Four: Is the retina in a human eye usually shiny like the cows eyeball?

What is the use for the fat and tissue that surrounds the eyeball? Question Five: What is the use for the fat and tissue that surrounds the eyeball?

ROUND THREE: THE EYE - ANSWERS

What is the type of lens that is in your eyeball? Question One: What is the type of lens that is in your eyeball? - A biconvex lens

Question Two: What is the name of the nerve in your eye that sends the image to your brain? - The Optic Nerve

Question Three: What is the function of the pupil? - The Pupil lets light enter the eye.

Question Four: Is the retina in a human eye usually shiny like the cows eyeball, why? - No, cows eyes have a shiny retina to reflect light.

Question Five: What is the use for the fat and tissue that surrounds the eyeball? - The fat and tissue is there to support and protect your eyeball.