Waves
What is the highest point on a transverse wave?
A) Trough
B) Crest
C) Wavelength
D) Amplitude
B) Crest
Frequency is best described as…
A) The height of a wave
B) Number of waves per second
C) Distance between waves
D) Wave speed
B) Number of waves per second
A medium is best described as...
A) A tool for communication
B) A substance or environment through which a wave or force is transmitted
C) A method of transmitting data
D) An individual or group's artistic expression
B) A substance or environment through which a wave or force is transmitted
The unit for resistance is…
A) Volts (V)
B) Amps (A)
C) Ohms (Ω)
D) Watts (W)
C) Ohms (Ω)
The distance from one crest to the next crest is the…
A) Amplitude
B) Frequency
C) Wavelength
D) Speed
C) Wavelength
Two waves have the same speed. The one with a longer wavelength will have…
A) Higher frequency
B) Lower frequency
C) Same frequency
D) Zero frequency
B) Lower frequency
Sound requires a medium to travel because…
A) It’s too slow otherwise
B) It needs particles to vibrate
C) Light blocks it
D) It can’t move through solids
B) It needs particles to vibrate
Current is measured in…
A) Amps
B) Volts
C) Coulombs
D) Ohms
A) Amps
The amplitude of a wave measures…
A) The height from rest to crest
B) The number of waves per second
C) The wave’s speed
D) The distance between troughs
A) The height from rest to crest
Which statement correctly describes a convex lens?
A) It curves inward and spreads light rays apart
B) It curves outward and causes light rays to converge
C) It has flat surfaces and does not bend light
D) It blocks light instead of refracting it
B) It curves outward and causes light rays to converge
Light can travel through space because…
A) It doesn’t need particles
B) It vibrates air
C) Space acts like a solid
D) It carries sound with it
A) It doesn’t need particles
What type of circuit has multiple loops attached?
A) Parallel
B) Series
C) Combination
D) Open circuit
A) Parallel
Which wave has the longest wavelength on the electromagnetic spectrum
A) Infrared wave
B) Ultraviolet wave
C) X-Ray wave
D) Radio wave
D) Radio wave
Which statement correctly describes a concave lens?
A) It curves outward and makes light rays converge
B) It curves inward and causes light rays to diverge
C) It has no curvature and doesn’t bend light
D) It focuses light to a single point
B) It curves inward and causes light rays to diverge
Refraction is…
A) Light bouncing off a surface
B) Light spreading out
C) Light bending when it changes speed
D) Light being absorbed
C) Light bending when it changes speed
Which type of circuit is one single loop?
A) Parallel
B) Series
C) Combination
D) Open circuit
B) Series
Sound travels fastest through..
A) Solids
B) Liquids
C) Gases
A) Solids
Which statement best describes diffuse reflection?
A) Light reflects off a smooth surface, producing a clear image
B) Light passes straight through a transparent material without bending
C) Light reflects off a rough surface, scattering in many directions and not forming an image
D) Light bends toward the normal when entering a denser medium
C) Light reflects off a rough surface, scattering in many directions and not forming an image
A ray hits a mirror at a 40° angle of incidence. The angle of reflection is…
A) 10°
B) 20°
C) 80°
D) 40°
D) 40°
True or false
If power is cut off in one loop of a parallel circuit, power will be cut off in the second loop.
False.