Light and Luminous Objects Quiz

What is the main reason we are able to see objects around us?

• Electricity flowing through the objects

• Heat emitted by the objects

• Sound waves from the objects

• Light reflected from the objects

What happens when the lights are switched off in a room?

• The objects in the room disappear

• The objects in the room become brighter

• The objects in the room cannot be seen

• The objects in the room become invisible

Why can we see plants and trees during the day but not clearly at night?

• Because they emit their own light

• Because they reflect light from the Sun

• Because they absorb light during the day

• Because they reflect light from the moon

Which of the following is a luminous object?

• Glass

• Paper

• Moon

• Fire

What type of objects do not emit light on their own?

• Reflective objects

• Non-luminous objects

• Luminous objects

• Transparent objects

Why do objects with smooth surfaces appear shinier and brighter?

• Because they are made of different materials

• Because they reflect more light

• Because they emit their own light

• Because they absorb more light

What is the moon considered as?

• An opaque object

• A reflective object

• A non-luminous object

• A luminous object

What is the main reason we are able to see an apple?

• Because it emits its own light

• Because it absorbs light

• Because it is a colorful object

• Because it reflects light into our eyes

Which of the following is a natural luminous object?

• Moon

• Paper

• Fireflies

• Glass

Why do objects with rough surfaces appear dull?

• Because they are made of different materials

• Because they reflect less light

• Because they absorb more light

• Because they emit their own light