the point on the medium that exhibits the maximum amount of positive or upward displacement from the rest position
What is crest
100
A sound wave is different than a light wave in that a sound wave is
What is not capable of traveling through a vacuum
100
?= f • λ
What is velocity
100
if you stretch a copper wire so that its thinner, its resistance will
What is increase
200
waves that travel parallel
What is longitudinal wave
200
the point on the medium that exhibits the maximum amount of negative or downward displacement from the rest position
What is trough
200
refers to how often the particles of the medium vibrate when a wave passes through the medium
What is frequency
200
As a wave passes across a boundary into a new medium, which characteristic of the wave would NOT change?
What is frequency
200
As more lamps are added to a series circuit, the over all current will increase or decrease ?
What is decrease
300
waves the move back and forth at right angles
What is transverse wave
300
the maximum amount of displacement of a particle on the medium from its rest position
What is amplitude
300
The sensation of a frequency is commonly referred to as the
What is pitch
300
A periodic and repeating disturbance in a lake creates waves which emanate outward from its source to produce circular wave patterns. If the frequency of the source is 2.00 Hz and the wave speed is 5.00m/s then the distance between adjacent wave crests is ___ meter
What is 10
300
Two bulbs marked 200 watt-250 volts and 100 watt-250 volts are joined in series to 250 volts supply. Power consumed in circuit is
What is 67 watts
400
moves through matter and space
What is mechanical waves
400
length of one complete wave cycle
What is wavelength
400
a phenomenon observed whenever the source of waves is moving with respect to an observer
What is doppler effect
400
what part of a wave is independent of all the others
What is velocity
400
An electric bulb rated as 500 watt-100 volts is to be lighted on a 200 volt supply. Series resistance needed to deliver 500 watt is_________
What is 20 ohm
500
a wave in which particles of the medium undergo a circular motion
What is surface wave
500
As the wavelength of a wave in a uniform medium increases, its speed will
What is remain the same
500
vibration of matter
What is sound wave
500
The SI unit for frequency is
What is hertz
500
Two bulbs one of 50 watt and the other is of 25 watts are connected in series, then current in each is same. true or false