NEW
Font size
S
M
L
XL
WorksheetsWaves/Lenses
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which two points represent one wavelength?
a)
C to A
b)
A to A'
c)
B to D'
d)
A to B
2.
If a light ray is shown on a plane mirror with an angle of incidence of 45 degrees, what is the angle of reflection?
a)
15
b)
30
c)
45
d)
90
3.
Which characteristic is common to both sound and light waves?
a)
They transfer energy
b)
They are transverse
c)
They can travel through a vacuum
d)
They are longitudinal
4.
Using a remote control, you can show that electromagnetic radiation _____________________
a)
diffracts and accelerates in air
b)
is a longitudinal wave
c)
possesses energy inversely proportional to its frequency
d)
transfers energy without transferring mass
5.
Which waves can be polarized?
a)
Seismic waves
b)
Light waves from an incandescent light bulb
c)
Sound waves from a tuba
d)
Longitudinal waves
6.
A spoon is placed in a beaker of water. When observed from the side it appears bent. This phenomenon is due to ____________.
a)
Dispersion
b)
Refraction
c)
Reflection
d)
Diffraction
7.
What kind of image is produced by a plane mirror?
a)
Virtual and upright
b)
Real and upright
c)
Real and inverted
d)
Virtual and inverted
8.
The photoelectric effect best describes which characteristic of light's duality?
a)
Particle
b)
Wave
9.
Light rays are refracted by a lens. Which of the following allows the two rays to form a real image?
a)
totally reflected inside the lens
b)
converge to a single point
c)
travel parallel to each other
d)
diverge
10.
If you're standing 12 meters in front of a plane mirror, how far away is your image
a)
6
b)
12
c)
18
d)
24
11.
An image located at 2F in front of a converging lens is 15 cm tall. If the temperature outside is 32 degrees CELCIUS how tall is the inverted image?
a)
7.5 cm
b)
15 cm
c)
22.5 cm
d)
No image
12.
An image located at 2F in front of a converging lens is 15 cm tall. If the temperature outside is 32 degrees CELCIUS where is the inverted image located
a)
Between F and 2F
b)
At 2F
c)
Beyond 2F
d)
No image
13.
Light demonstrates characteristics of both particles and waves.
a)
True
b)
False
14.
If M= 2.5 and the image distance is -10 cm, what is the object's distance?
a)
4 cm
b)
6 cm
c)
10 cm
d)
40 cm
15.
An object has a height of 8 cm when it is 12 cm from the lens. If the image distance is 24 cm what is the height of the image?
a)
-16 cm
b)
16 cm
c)
32 cm
d)
-32 cm
16.
Constructive and Destructive interference are only possible with light because it can act as a ____________.
a)
Particle
b)
Wave
17.
Echolocation uses which of the following wave characteristics?
a)
Refraction
b)
Reflection
c)
Doppler Effect
d)
Diffraction
18.
X rays have enough energy to penetrate the skin because of their ________________
a)
short wavelengths
b)
long wavelengths
c)
small amplitudes
d)
large amplitudes
19.
An upright image is 3 cm from a lens. If the focal length is 5 cm, what kind of image is produced?
a)
Virtual Upright
b)
Real Upright
c)
Virtual Inverted
d)
Real Inverted
20.
An object is located beyond 2F. If you were to move the object closer to the lens what would happen to the size of the image?
a)
Increase
b)
Decrease
Reset
