1. Which type of waves can travel without a Medium?? a. mechanical b. radio c. t
ID: 1419651 • Letter: 1
Question
1. Which type of waves can travel without a Medium??
a. mechanical
b. radio
c. transverse
d. sound.
2. Electromagnetic waves
a. are longitudinal waves
b. are transverse waves
c. must travel through a medium
d. do not interact with matter
3. In order for you to see a yellow chair, what wavelengths of light reflected from the yellow chair does your eye perceive??
a.yellow
b. red and green light
c.green
d. red
4. Musicians use the concept of resonance in sound waves. what causes resonance??
a. destructive interference causes resonance
b. resonance takes place when an object vibrates by absorbing energy at its natural frequencies
c. the resonance of waves takes place when nodes do not align
d. Resonance is the vibration of waves that takes place when the angle of incidence matches the angle of reflection.
5. Which of the following types of containers would allow you to see if there were ice cubes inside??
a. transparent
b. incandescent
c. opaque
d. translucent
6. What type of waves does a remote control device use to communicate with a television set??
a. Radio waves
b. IR waves
c. Micro waves
7. In which type of mirror do the reflected images look farther away than they actually are??
a. convex
b.concave
Explanation / Answer
Q-1
b. Radio ( Electromagnetic waves dosent need medium to travel.)
Q-2
b. are transverse waves (Electromagnetic waves are transverse waves.)
Q-3
a. yellow
Q-4
d. Resonance is the vibration of waves that takes place when the angle of incidence matches the angle of reflection.
Q-5
a. transparent
Q-6
b. IR waves
Q-7
a. convex
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