Electromagnetic Radiation and Infrared Waves.
Move in ellipses d. Move perpendicular to the direction of the travel 3. The higher the frequency of wave, a. The lower its speed c. Greater Its amplitude b. The shorter its wavelength d. The longer its period 4. Energy from the sun reaches the earth through a. Ultraviolet waves c. Mechanical waves b. Infrared waves d. Electromagnetic waves 5. Which of the following objects will produce sound? a. Soft object b. Radio station c. Vibrating object d. object under pressure 6. Which of the following best describe a high frequency sound? a. Low pitch b. High pitch c.
Low energy d. A and C 1 OF5 sounds of a. The same pitch . Lower pitch 8. A sound wave is a c. Higher pitch d. Lower then higher pitch a. Longitudinal wave c. Standing wave b. Transverse wave d. Shock wave 9. Which of the following would most likely transmit sound best? a. Steel in cabinet c. Air in your classroom b. Water in the ocean d. Water in swimming pool 10. Which of the following is NOT an electromagnetic wave? a. Infrared b. Radio c. Sound d. X-ray 1 1 . In terms of wavelength, which of the following best compare infrared waves from ultraviolet waves? a.
Infrared waves have longer wavelength b. Infrared waves have shorter wavelength . IR waves have the same wavelength as the UV waves d. IR waves is not comparable in wavelength with the UV wave 12. Among all the electromagnetic waves, which has the highest frequency? a. Infrared radiation c. Ultraviolet b. Radio wave d. Gamma rays 13. ROYGBIV is the basic component of white light, which of the following has the highest frequency? a. Blue b. Green c. Orange d. Red 14. Which of the following is true about an object that travels 5 meters to the left, 2 meters up, then 5 meters to the right? . The displacement of the object is equal to 12 meters b. he total distance travelled by the object is equal to 12 meters c. The displacement of the object is equal to 12 meters down. d. The total distance travelled by the object is equal top meters down
Waves that occur when the individual particles of a medium vibrate from side o side perpendicular to the direction in which the waves travel. 4. Waves that occur when the individual particles of a medium vibrate back and forth. 5. The disturbance that travel through a medium. 6. It refers to highness and lowness of sound. 7. It is how soft or how intense the sound is. 8. Vibrational frequencies beyond 20, 000 Hz. 9. Vibrations with extremely low frequency. 11 . It is the measurement of how fast an object is moving. direction. 12. Speed with 13. It refers to the length of the entire path that the object travelled. 4. It efers to the shortest distance between the object’s two position. 15. A device used to measure the speed of a vehicle. 16. It refers to the distance between any successive identical part of the wave. 17. Distance travelled by the wave per second. 18. Number of waves that pass a particular point every second. frequency.
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