Frequency
in sentence
326 examples of Frequency in a sentence
So bumblebees are one of the few kinds of bees in the world that are able to hold onto the flower and vibrate it, and they do this by shaking their flight muscles at a
frequency
similar to the musical note C.
But a supertanker can also be heard coming across a whole ocean, and because the noise that propellers make underwater is sometimes at the same
frequency
that whales use, then it can damage their acoustic habitat, and they need this for breeding, for finding feeding grounds, for finding mates.
But yet most of the recent advances in resolution have actually come from ingeniously clever encoding and decoding solutions in the F.M. radio
frequency
transmitters and receivers in the MRI systems.
A laser beam aimed at the middle of the chamber is tuned to just the right
frequency
that an atom moving towards it will absorb a photon of the laser beam and slow down.
By pushing air faster or slower, we change the
frequency
and amplitude of these vibrations, which respectively translate to the pitch and volume of our voices.
Next, I'm going to say my
frequency
is 440 hertz, and I'm going to let time advance by two seconds through this operation.
I'm going to generate a random number between 30 and 1,000 and send that to the
frequency
of me.
Steven Pinker and others have shown how the intensity and
frequency
of conflict is actually at an all-time low.
So here, we're going to play a note that's in the resonance
frequency
of that glass through a loudspeaker that's next to it.
For example, I'm currently examining correlations between the
frequency
of a patient's nightly wandering and his or her daily activities and diet.
Snakes include some infrared in their reality, and honeybees include ultraviolet in their view of the world, and of course we build machines in the dashboards of our cars to pick up on signals in the radio
frequency
range, and we built machines in hospitals to pick up on the X-ray range.
They'll happen, but very low
frequency.
An ambulance came, I was still fully conscious, and I analyzed everything on the journey, because I'm a scientist: the sound of the tires on the road, the
frequency
of the street lights and eventually, the city street lights.
And all of you know the wave equation is the
frequency
times the wavelength of any wave ... is a constant.
When the
frequency
goes up, the wavelength comes down.
Wavelength goes up,
frequency
goes down.
So, in order to measure the speed of sound, all I've got to do is know its
frequency.
I've got a
frequency
counter right here.
Now, so I know the
frequency.
And we'll say the
frequency
is 1.76 kilohertz, or 1760.
The same information can be expressed in a different way by calculating the wave's
frequency.
In this case, since each wave takes 2 seconds, the
frequency
is 0.5 waves per second.
If light is a wave, then it must have a
frequency.
And it turns out that we already have a name for the
frequency
of the light that our eyes detect.
But the
frequency
of the light we see is so high, it waves up and down about 400 million million times a second, that we can't possibly see it as a wave.
But we can tell, by looking at its color, what its
frequency
is.
The lowest
frequency
light that we can see is red and the highest
frequency
is purple.
You might have heard that light is a kind of wave and that the color of an object is related to the
frequency
of light waves it reflects.
So, in this yellow looking region, two different kinds of light waves are present: one with a red frequency, and one with a green
frequency.
For example, suppose that yellow light, that is real yellow light, with a yellow frequency, is shining on your eye.
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