A student placed a pencil in a cup of water. The pencil appears broken because light-

bends when it passes through water

always travels in a straight line

makes the water in the glass evaporate

reflects the pencil on the water's surface

the larger the index of refraction the ...

no change to the critical angle

In the given figure, which of the following holds TRUE ?

The angle of incidence is 80°.

The angle of incidence is 10°.

The angle of reflection is 10°.

The angle of reflection is 90°.

Which of the following is TRUE about spherical mirrors?

Their surface either bulges outward or inward.

They don't obey the Law of Reflection.

They have a flat, planar surface.

They always give images that are of the same size as the object.

In the ray diagram shown, which set of descriptions of the image formed is completely accurate?

The image is minimized, inverted, and real.

The image is magnified, inverted, and real.

The image is minimized, inverted, and virtual.

The image is magnified, inverted, and virtual.

In the ray diagram shown, which set of descriptions of the image formed is completely accurate?

The image is minimized, upright, and virtual.

The image is minimized, upright, and real.

The image is magnified, inverted, and real.

The image is magnified, inverted, and virtual.

In ray diagram for concave mirrors, if an incident ray passes through the focal point, how does the reflected ray look like?

The reflected ray will be parallel to the principal axis.

The reflected ray bounces vertically upward.

The reflected ray gets projected vertically downward.

What happens to light during total internal reflection?

The angle of incidence is greater than the critical angle.

The angle of reflection is the same as the critical angle.

The angle of refraction is less than the critical angle.

The angle of incidence is zero.

When angle of incident (i) equals to critical angle (c) if light is traveled from a denser medium to a less dense medium,

angle of refraction is equal to 90 degree.

total internal reflection occurs.

Chose the TWO conditions are NOT correct for total internal reflection to take place

The incident angle should be less than the critical angle

Light should travel from a lighter to a denser medium

The incident angle should be greater than the critical angle

Light should travel from a denser to a lighter medium

What is total internal reflection

Where a wave is reflected at the boundary between a dense medium and a less dense medium when the angle of incidence is greater than the critical angle.

Where a wave is refracted at the boundary between a dense medium and a less dense medium when the angle of incidence is greater than the critical angle.

Where a wave is refracted at the boundary between a dense medium and a less dense medium when the angle of incidence is smaller than the critical angle.

Where a wave is reflected at the boundary between a dense medium and a less dense medium when the angle of incidence is smaller than the critical angle.

Intro to Optics

Quiz

•

Physics

•

10th Grade

•

Practice Problem

•

Hard

•

NGSS

HS-PS4-1, HS-PS4-3, MS-PS4-2

+4

Standards-aligned

Charles Martinez

FREE Resource

75 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Convex Mirrors produce...

only virtual images

virtual or real images

only real images

inverted images

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

a real image...

is produced by virtual rays and can be projected on a screen

is produced by real rays and cannot be projected on a screen

is produced by virtual rays and cannot be projected on a screen

is produced by real rays and can be projected on a screen

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An incident ray that is parallel to the principal axis...

will reflect parallel to the principal axis

will refract through the focal point

will reflect through the center of curvature

will continue along the same path through the lens

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Mirrors that bulge out are called:

Concave mirrors

Convex mirrors

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which picture represents what happens when light travels through a CONVERGING lens?

A- left picture

B - Right picture

True or False:
We see colors because those colors are reflected back to our eyes.

True

False

An object is located 30 cm from a concave mirror. The mirror forms a real image at a distance of 20 cm. What is the focal length of this mirror?

13.5 cm

0.0833 cm

12.0 cm

8.7 cm

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Intro to Optics