Asked by Dillon
My little brother needs help on this worksheet. And I have no clue.
1. For waves that travel with the same speed, wavelengths increases as frequency ______.
2. Radiant energy decreases as _________ increases.
B1b. The radio waves from the ________ antenna can cause electrons in another piece of metal, such as a receiving antenna, to move up and down, creating an alternating current.
B1c. The ________ can be used to produce sound from the loudspeaker, allowing for the transmission of music, television shows, and telephone signals
B2. _______ have a higher frequency and shorter wavelengths than radio waves; they are used for some phone calls and to heat food.
B3. _______ uses electromagnetic waves to locate objects by measuring the time it takes for the waves to reach the object, be reflected, and return.
C. ________ have wavelengths between one thousandth and 0.7 millionths of a meter and feel warm and hot.
1. For waves that travel with the same speed, wavelengths increases as frequency ______.
2. Radiant energy decreases as _________ increases.
B1b. The radio waves from the ________ antenna can cause electrons in another piece of metal, such as a receiving antenna, to move up and down, creating an alternating current.
B1c. The ________ can be used to produce sound from the loudspeaker, allowing for the transmission of music, television shows, and telephone signals
B2. _______ have a higher frequency and shorter wavelengths than radio waves; they are used for some phone calls and to heat food.
B3. _______ uses electromagnetic waves to locate objects by measuring the time it takes for the waves to reach the object, be reflected, and return.
C. ________ have wavelengths between one thousandth and 0.7 millionths of a meter and feel warm and hot.
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