Light Quiz

Look at the diagram below. What happens to the light when it hits the mirror?

1. It bends and slows down.
2. It passes through.
3. It bounces off.
4. It changes colour.

Answer: (c) It bounces off.

James's family recently moved to a new neighbourhood and is learning about different types of light sources. Which of the following is an example of a luminous object that does not require electricity to produce light? 1. A glowing firefly 2. A neon sign 3. A television screen 4. A lightbulb 5. A glowing jellyfish 6. A campfire

1. 1 and 5
2. 2 and 6
3. 1, 5, and 6
4. 1, 4, 5 and 6

Answer: (c) 1, 5, and 6

On a sunny day, you notice that the tree casts a shadow on the ground. Why does the shadow appear under the tree?

1. The shadow forms because sunlight bends around the tree.
2. The tree blocks the sunlight.
3. The shadow forms because the tree reflects sunlight into the air.
4. The tree prevents the scattering of light directly under it.

Answer: (b) The tree blocks the sunlight.

In the night sky, the moon appears to shine. However, it is not a light source. What is happening?

1. The moon is a luminous object.
2. The moon reflects the light from the sun.
3. The moon produces its own light.
4. The moon shines because it reflects the light from the Earth.

Answer: (b) The moon reflects the light from the sun.

Look at the following descriptions and match each object to its behaviour with light. Object Behavior with Light 1 Clear glass a. Reflects light 2 Mirror b. Absorbs light 3 Black cloth c. Allows light to pass through

1. 1 – c, 2 – b, 3 – a
2. 1 – a, 2 – c, 3 – b
3. 1 – b, 2 – a, 3 – c
4. 1 – c, 2 – a, 3 – b

Answer: (d) 1 – c, 2 – a, 3 – b

Look at the given table and choose the option that best fits Features X Y Z Light can pass through it No Yes Yes Can see through it clearly No No Yes Often used for windows No Yes Yes

1. X – Opaque, Y – Translucent, Z – Transparent
2. X – Opaque, Y – Transparent, Z – Translucent
3. X – Transparent, Y – Translucent, Z – Opaque
4. X – Transparent, Y – Opaque, Z – Translucent

Answer: (a) X – Opaque, Y – Translucent, Z – Transparent

Imagine you're on a camping trip, and the sun has set. Which of the following objects can continue to glow and provide light without needing electricity?

1. Solar-powered flashlight
2. The Sun
3. A TV screen
4. A candle

Answer: (d) A candle

Match the following objects with their correct category. Objects Category A. Firefly 1 Non-luminous Object B. Lamp 2 Luminous Object C. Mirror 3 Artificial Light Source D. Stars 4 Natural Light Source

1. A - 4, B - 3, C - 1, D - 2
2. A - 4, B - 2, C - 3, D - 1
3. A - 1, B - 2, C - 4, D - 3
4. A - 2, B - 4, C - 3, D - 1

Answer: (a) A - 4, B - 3, C - 1, D - 2

Determine whether the following statements are true or false: 1. Light travels in straight lines. 2. Transparent objects block light completely. 3. Translucent objects allow some light to pass through. 4. Shadows are formed when light passes through a luminous object.

1. 1-True, 2-False, 3-True, 4-True
2. 1-True, 2-True, 3-False, 4-False
3. 1-False, 2-False, 3-True, 4-False
4. 1-True, 2-False, 3-True, 4-False

Answer: (d) 1-True, 2-False, 3-True, 4-False

You are designing a door for a house. You want the door to let light in but also keep it hard for people to see inside. Which of these materials would be the best choice?

1. Clear glass
2. Wood
3. Frosted glass
4. Plastic

Answer: (c) Frosted glass