What is the difference between a concave and convex mirror?

Concave mirrors can form real images, while convex mirrors always form virtual images.

What happens to the image in a plane mirror?

The image is erect, virtual, and the same size as the object.

What is the effect of a convex lens on light?

It converges light and can form real images.

What is the effect of a concave lens on light?

It diverges light and always forms virtual images.

What colors are present in a rainbow?

Red, orange, yellow, green, blue, indigo, and violet.

What is a prism used for?

To split white light into its component colors.

What is Newton's disc?

A disc painted with rainbow colors that appears white when spun quickly.

What is the relationship between the distance of an object and its image in a plane mirror?

The image is at the same distance behind the mirror as the object is in front.

What happens when you look at your image in a plane mirror?

The left side appears as the right side and vice versa.

What is the use of a magnifying glass?

To see small objects more clearly.

What is the main characteristic of the image formed by a concave mirror?

It can be real and inverted or virtual and erect, depending on the object's distance.

What is the main characteristic of the image formed by a convex lens?

It can be real and inverted or virtual and erect when the object is close.

What is the significance of Archimedes' mirrors?

They were used to reflect sunlight to dazzle enemies.

What happens to the image of an object in a convex mirror?

The image is always virtual and smaller than the object.

What is the effect of sunlight on a concave mirror?

It can create a real image on a screen.

What is the main use of concave mirrors in daily life?

They are used in torches and headlights to focus light.

What is the difference between a real image and a virtual image?

A real image can be projected on a screen, while a virtual image cannot.

What happens to light when it passes through a prism?

It is refracted and split into different colors.

What is the purpose of the activity with a lighted candle and a plane mirror?

To observe how the image of the candle appears in the mirror.

What is the relationship between the size of an image and the type of mirror used?

Concave mirrors can produce larger images, while convex mirrors produce smaller images.

What is the significance of the activity with the chessboard and a plane mirror?

To observe the distance relationship between the object and its image.

What happens when you rotate a disc painted with rainbow colors?

It appears white due to the mixing of colors.

What is the main characteristic of the image formed by a concave lens?

It is always virtual, erect, and smaller than the object.

What is the purpose of the activity with the concave mirror and the candle?

To observe how the image changes with distance from the mirror.

What is the effect of light on a polished surface?

It reflects light and can create an image.

What is the main use of a convex mirror in vehicles?

To provide a wider field of view for the driver.

What happens to the image of an object when viewed in a concave mirror?

It can be larger or smaller depending on the object's distance.

What is the significance of the activity with the magnifying glass?

To demonstrate how lenses can magnify images.

What is the main characteristic of the image formed by a convex lens?

It can be real or virtual depending on the object's distance.

What is the purpose of the activity with the glass prism?

To show that sunlight is made up of different colors.

What is the relationship between the left and right sides in a mirror image?

They are reversed; left appears as right and vice versa.

What is the main characteristic of the image formed by a plane mirror?

It is virtual, erect, and the same size as the object.

What is the significance of the activity with the convex lens and sunlight?

To demonstrate how a convex lens can focus light.

What is the main use of concave mirrors in medical fields?

To examine body parts like eyes, ears, and teeth.

What happens to the image of an object when viewed in a convex lens?

It can be virtual and magnified when the object is close.

What is the purpose of the activity with the convex mirror and the candle?

To observe the characteristics of images formed by different mirrors.

What is the significance of the activity with the convex lens and a candle?

To observe how the image changes with distance from the lens.

What is the main characteristic of the image formed by a concave mirror?

It can be real and inverted or virtual and erect.

What is the significance of the activity with the convex lens and a screen?

To demonstrate how lenses can form images on a screen.

What is the main use of a concave lens in optical devices?

To correct vision by diverging light.

What is the significance of the activity with the convex mirror and the chessboard?

To observe the relationship between object distance and image distance.

What is the main characteristic of the image formed by a convex mirror?

It is always virtual and smaller than the object.

Understanding Light and Mirrors Flashcards

Student preview

132 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What happens to light when it enters a narrow opening?

Back

It creates a beam of light.

2.

FLASHCARD QUESTION

Front

What is the path of light?

Back

Light travels along straight lines.

3.

FLASHCARD QUESTION

Front

What is reflection of light?

Back

It is the change of direction of light when it falls on a shiny surface.

4.

FLASHCARD QUESTION

Front

What type of surface can act as a mirror?

Back

Any polished or shiny surface.

5.

FLASHCARD QUESTION

Front

What is a real image?

Back

An image that can be obtained on a screen.

6.

FLASHCARD QUESTION

Front

What is a virtual image?

Back

An image that cannot be obtained on a screen.

7.

FLASHCARD QUESTION

Front

What type of mirror is used by dentists to see enlarged images?

Back

Concave mirror.

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