SCIENCE CHAPTER 8 LIGHT FORM 1

Multiple Choice

Which of the following phenomena is essential for us to see objects around us?

• Reflection of light

• Magnetism

• Evaporation

• Condensation

Multiple Choice

Which of the following are reasons for the formation of a shadow?

• Blocking of light by an object

• Reflection of light by a mirror

• Absorption of light by air

• Refraction of light through water

Fill in the Blanks

We use the mirror everyday by using

mirror.

Multiple Choice

Which type of image can be formed on a screen?

• Real image

• Virtual image

• Both real and virtual image

• None of the above

Multiple Select

Which of the following are characteristics of the image formed by a plane mirror?

• Upright

• Same size as object

• Real

• Laterally inverted

Fill in the Blanks

The image formed by a plane mirror is always

and laterally inverted.

Open Ended

What are the three types of mirrors shown in the image, and how do they differ in the way they reflect images?

Multiple Choice

Which of the following statements correctly differentiates between concave and convex mirrors based on the images shown?

• Concave mirrors always produce smaller images, convex mirrors always produce larger images.

• Concave mirrors can produce both magnified and diminished images, convex mirrors always produce diminished images.

• Concave mirrors always produce virtual images, convex mirrors always produce real images.

• Concave mirrors and convex mirrors both produce images of the same size as the object.

Multiple Choice

What is the main difference between a concave and a convex mirror in terms of the image they produce?

• Concave mirrors magnify images, convex mirrors reduce images

• Concave mirrors reduce images, convex mirrors magnify images

• Both magnify images

• Both reduce images

Multiple Select

Which of the following are correct uses of a concave mirror?

• Magnifying images for makeup application

• Making a room look spacious

• Used by dentists to view teeth

• Used as safety mirrors on roads

Multiple Choice

Which type of mirror is used by a dancer to correct their movement and to make a room look spacious?

• Plane mirror

• Concave mirror

• Convex mirror

• Parabolic mirror

Open Ended

Explain how the use of concave mirrors benefits both makeup application and dental examination.

Open Ended

Describe a real-life situation where using a convex mirror would be more beneficial than a plane or concave mirror.

Fill in the Blanks

Fill in the blank: A convex mirror is commonly used as a safety feature at dangerous corners of a

.

Multiple Choice

Which optical instrument is used by shopkeepers to see every corner of their store and prevent theft?

• Convex mirror

• Periscope

• Kaleidoscope

• Concave mirror

Open Ended

Explain how the periscope and kaleidoscope both utilize the reflection of light, but for different purposes.

Multiple Select

Which of the following instruments use the concept of reflection of light?

• Periscope

• Kaleidoscope

• Convex mirror

• Microscope

Multiple Choice

A plane mirror has a ______________ surface

• concave

• convex

• flat

Multiple Choice

The characteristics of image formed by a plane mirror is

• virtual

• bigger

• smaller

• real

Multiple Choice

Why do we see lightning before we hear thunder?

• Because light travels faster than sound

• Because thunder is quieter than lightning

• Because lightning is brighter than thunder

• Because sound travels faster than light

Multiple Choice

When a box is placed 4m from a plane mirror what is the distance from the mirror to the image of the box

• 8m

• 4m

• 2m

• very far behind

Fill in the Blanks

The speed of light is approximately

ms⁻¹.

Multiple Choice

The surface of a concave mirror curves _____________ like the inner part of a spoon

• flat

• inward

• outward

• up

Multiple Choice

The surface of a convex mirror curves _______________ like the outer part of a spoon.

• normal

• flat

• inward

• outward

Open Ended

Describe an everyday situation where the fact that light travels in straight lines is important.

Multiple Choice

This mirror is called a ___________

• convex mirror

• concave mirror

• plane mirror

Multiple Choice

This optical instrument is called

• scope

• mirror

• periscope

• kaleidoscope

Multiple Choice

The instrument shown here is using the concept of __________ light to produce image

• refraction

• diffraction

• reflection

Multiple Choice

Light travel in a straight line

• FALSE

• TRUE

Multiple Choice

A swimming pool appear shallower because of ____________________ light

• diffraction

• collision

• reflection

• refraction

Multiple Choice

THE RAINBOW IN THE SKY IS FORMED AFTER THE LIGHT RAYS ARE ______________ BY THE WATER DROPLETS

• ALINE

• DISPERSED

• INVERTED

Multiple Choice

When refraction of light ray occur , the light rays are moving through two different mediums with different ____________

• height

• area

• densities

Multiple Choice

A swimming pool appear shallower because of ____________________ light

• diffraction

• collision

• reflection

• refraction

Multiple Choice

During noon the sky appear blue because the blue light with the shortest wavelength is _______________ the most in all direction

• moving

• scattered

• reflected

Open Ended

What is one concept from this lesson on light and optics that you would like to learn more about or found most interesting?

Open Ended

What would you like to learn next?