Physics Chapter on Mirrors and Light

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What type of mirror has a reflective surface that is curved inward?

Planar
Convex
Concave (correct)
Flat

Where is the image located when viewed from the side of a flat mirror?

The image is on the same side as the object (correct)
The image appears behind the mirror
The image cannot be determined
The image is further away than the object

What does the principal focal point (f) of a mirror represent?

Half the distance between the center of curvature and the vertex (correct)
The full distance from the mirror to the object
The vertex of the mirror
Twice the radius of the sphere

Which of the following is a characteristic of convex mirrors?

They produce virtual images (B) Signup and view all the answers

In a top view of a concave mirror, where does the image appear to come from?

Behind the mirror (A) Signup and view all the answers

What type of light is typically reflected from horizontal surfaces like roads and water?

Horizontally polarized light (C) Signup and view all the answers

What occurs when a second polarizing filter is placed perpendicular to a first filter?

It absorbs nearly all light passing through the first filter. (A) Signup and view all the answers

How do traditional mirrors allow you to see your reflection?

By reflecting light off their surface. (D) Signup and view all the answers

What happens to light rays that are parallel to the principal axis when they strike a concave mirror?

They converge through the focal point. (B) Signup and view all the answers

Which statement is true about polarizing filters in 3D movies?

Each camera is equipped with different polarizing filters. (C) Signup and view all the answers

What is the primary function of sunglasses that absorb horizontally polarized light?

To reduce glare caused by reflected horizontally polarized light. (A) Signup and view all the answers

When an image is formed on the same side of the concave mirror as the object, what type of image is it?

Virtual image (A) Signup and view all the answers

Which statement regarding the characteristics of images produced by concave mirrors is incorrect?

The image can only be real. (D) Signup and view all the answers

In a ray diagram for a concave mirror, how do the rays behave when passing through the center of curvature?

They reflect back on themselves. (D) Signup and view all the answers

Which of the following descriptions of image orientation produced by a concave mirror is accurate?

Images can be either upright or inverted. (B) Signup and view all the answers

What happens to the size of the image when an object is positioned beyond the center of curvature in a convex mirror?

The image is smaller than the object. (D) Signup and view all the answers

Which statement is true when the object is positioned at the focal point of a convex mirror?

The image is non-existent. (B) Signup and view all the answers

When an object is placed between the center of curvature and the focal point in a convex mirror, what is the characteristic of the image formed?

The image is inverted and larger than the object. (A) Signup and view all the answers

What is the nature of the image formed when the object is at the center of curvature in a convex mirror?

The image is real and inverted, same size as the object. (B) Signup and view all the answers

What does the letter 'C' represent in the context of convex mirror image formation?

Center of curvature. (C) Signup and view all the answers

What can be said about the image produced by a convex mirror?

The image is virtual and erect. (B) Signup and view all the answers

If the magnification of an image produced by a convex mirror is 0.5, what can we conclude about the size of the image compared to the object?

The image is 50% the size of the object. (C) Signup and view all the answers

What sign convention applies to the focal length of a convex mirror?

Focal length is negative. (B) Signup and view all the answers

Which statement correctly defines the relationship between the object's distance (do) and the image's distance (di) in a convex mirror?

Do is positive; di is negative. (B) Signup and view all the answers

If an object is placed very close to a convex mirror, what happens to the characteristics of the image?

The image is smaller and erect. (B) Signup and view all the answers

What is the characteristic of the image when an object is placed beyond the focal point of a concave mirror?

The image is real, inverted, and diminished. (C) Signup and view all the answers

What type of image is formed when an object is placed at the focal point of a lens?

No image exists (D) Signup and view all the answers

When an object is placed between 2f and f, how does the size of the image compare to the object?

It is larger than the object (D) Signup and view all the answers

Where is the image formed when the object is placed at the focal point of a concave mirror?

At infinity. (C) Signup and view all the answers

Where is the image located when an object is placed within the focal length of a lens?

On the same side of the lens as the object (A) Signup and view all the answers

What occurs when an object is placed between the focal point and the pole of a concave mirror?

The image is virtual, erect, and enlarged. (C) Signup and view all the answers

Which of the following describes the characteristics of the image when an object is placed at 2f from the lens?

Inverted, real, and the same size as the object (A) Signup and view all the answers

What happens to the light rays when an object is placed exactly at the focal point of a lens?

They become parallel and do not form an image (D) Signup and view all the answers

At what position is the image formed when the object is located at the center of curvature?

At the center of curvature. (D) Signup and view all the answers

What type of image is formed when the object is located between the focal point and the center of curvature?

Real and enlarged. (D) Signup and view all the answers

What describes the focal point of a concave mirror?

It is located behind the mirror. (D) Signup and view all the answers

How does the size of the image formed when the object is at the center of curvature compare to the object size?

The image is the same size as the object. (A) Signup and view all the answers

What is the nature of the image produced by a concave lens?

Virtual and upright (C) Signup and view all the answers

When an object is placed 15 cm from a convex lens with a focal length of 7.5 cm, what is the nature of the image formed?

Real and inverted (B) Signup and view all the answers

What distance would you expect the image to be located if the object is placed at 15 cm from a convex lens?

17 cm from the lens (C) Signup and view all the answers

What is the height of the image produced when the object is 2.5 cm tall and placed at the specified distance from a convex lens?

-3.5 cm (A) Signup and view all the answers

What characteristic of images formed by concave lenses is consistently true?

They are always virtual images (C) Signup and view all the answers

What is the behavior of light rays as they pass through a convex lens?

They converge at the focal point. (D) Signup and view all the answers

Where is the optical center located in a convex lens?

At a point where light rays pass without bending. (A) Signup and view all the answers

What type of image is formed when an object is placed at 2f in front of a convex lens?

Inverted, real, and same size as the object. (C) Signup and view all the answers

Which formula relates the object distance, image distance, and focal length of a lens?

$f = rac{1}{d_o} - rac{1}{d_i}$ (C) Signup and view all the answers

In a ray diagram for a convex lens, what happens to a ray that travels parallel to the principal axis?

It refracts through the focal point on the opposite side. (C) Signup and view all the answers

What is the calculated image distance ($d_i$) when an object is placed 9.0 cm from a concave lens with a focal length of 7.5 cm?

15 cm (C) Signup and view all the answers

Which formula expresses the relationship between magnification ($m$), image height ($h_i$), and object height ($h_o$)?

m = h_i / h_o (B) Signup and view all the answers

What type of image is formed by a concave lens when an object is placed closer than the focal length?

Virtual and erect (B) Signup and view all the answers

What is the magnification ($m$) of an object height of 4.0 cm when the image height is calculated to be 1.5 cm?

0.38 (C) Signup and view all the answers

Which of the following statements accurately describes the characteristics of the image formed by the concave lens in this scenario?

The image is virtual and erect. (D) Signup and view all the answers

Concave Mirror

A mirror with a reflective surface that curves inward.

Convex Mirror

A mirror with a reflective surface that curves outward.