Sound
What part of the ear has three bones
a. Inner ear
b. Outer ear
c. Middle ear
What is c. Middle ear
What is Opaque?
a. Transmits all light
b. Let’s some light pass
c. Doesn’t allow light to pass
d. None of the above
Answer
c. Doesn’t allow light to pass through
What is a mirror?
Answer
- Smooth surface that reflect light to form an image
What is a lense?
Answer
-Transparet material wigs curved surface that reflects light rays
Can we hear subsonic and ultrasonic pitches?
Answer
-No we cannot hear subsonic and ultrasonic pitches
The speed of sound is dependent on ________ and the ________.
a. Compressions, rare-factions
b. Temperature, state of medium
c. None of the above
What is b. Temperature, state of medium
What is the difference between Regular reflect vs Diffuse reflect?
a. Regular reflect has a touchy surface while Diffuse reflect is off a smooth surface
b. Diffuse reflect is off a rough surface while regular reflect is a smooth surface
Answer
b. Diffuse reflect is off a rough surface while regular reflect is a smooth surface
What is a plane mirror?
Answer
- flat, smooth in which and image appears upright
Mirror shape: plane
Position of object: any position
Virtual/Real: _________
Upright/Inverted: upright
Size: __________
Answer
Virtual/Real: Virtual
Size: same as object
A glass window would be an example of...
a. Opaque
b. Transparent
c. Translucent
Answer
b. Transparent
In which part of the ear is the cochlea in?
a. Inner ear
b. Middle ear
c. Outer ear
What is c. Inner ear
What is a Rainbow?
Answer
- When sunlight hits a water droplet you see a rainbow
What is the difference between a convex and concave mirror?
a. A convex mirror is curved outward while a coma ave mirror is curved inward
b. A convex mirror is curved inward while a concave mirror is curved outward
Answer
a. A convex mirror is curved outward while a coma ave mirror is curved inward
Mirror shape: Concave
Position of object: Object at any focal point
Virtual/Real:none
Upright/Inverted: _______
Size: none
Answer
Upright/Inverted: upside down
What is not an example of optical instruments..
a. Telescope
b. Camera
c. A speaker
Answer
c. A speaker
What is loudness?
a. The amount of energy that flows through a certain area in a given amount of time
b. Human perception of sound intensity which measures in decibels
What is b. Human perception of sound intensity which measures in decibels
What is prism?
Answer
- sperates white light into yeh visible light spectrum
What type of mirror do you see everyday to get ready for school
Answer
- A plane mirror
Mirror shape: Concave
Position of object: Object within focal length
Virtual/Real:virtual
Upright/Inverted: upright
Size: _______
Answer
Size: larger than object appears
The use of underwater sound waves to detect object is know as ________.
a. Echolocation
b. Sonar
c. Ultrasound
Answer
b. Sonar
What are the four applications of soundwave?
What is Acoustic, Echolocation, Sonar, Ultrasound
What is mirage?
Answer
- When Light is reflected through air layer of different densities
What type of mirrors are these ...
a. (|
b. |(
c. |
Answer
a. Convex mirror
b. Concave mirror
c. Plane mirror
Mirror shape: Convex
Position of object: any position
Virtual/Real:virtual
Upright/Inverted: upright
Size: ______
Answer
Size: smaller than object appears
Why do people become farsighted when they grow older?
Answer
- Age causes a persons lens to harden which makes it difficult for someone to focus on something.