Homework Answers
Answer B) f*lamda
That constant is nothing but a velocity and we know formula for velocity as -
Velocity (c) = lamda / second = f*lamda
f = 1/T ( T = second)
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Which of the following formulas represent a constant for electromagnetic waves in free space? Off O...
Which of the following statements about electromagnetic waves in free space are true? (There could be...
Which of the following statements about electromagnetic waves in free space are true? (There could be more than one correct choice.) A) The higher-frequency travel faster than the lower-frequency waves. B) The higher-frequency waves have shorter wavelengths than the lower-frequency waves. C) The wavelengths of the visible waves are some of the longest electromagnetic waves. D) The wavelengths of the visible waves are some of the shortest electromagnetic waves. E) The electric field vector is always at right angles to...
Which of the following are true about the energy of electromagnetic waves in free space? A.Doubling...
Which of the following are true about the energy of electromagnetic waves in free space? A.Doubling the intensity of an electromagnetic wave doubles the amplitude of the magnetic field. B.The instantaneous energy density of the magnetic field is . C.The average intensity of an electromagnetic wave is . D..The time average of is .
1. Which of the following statements about electromagnetic waves in free space are true? (There could...
1. Which of the following statements about electromagnetic waves in free space are true? (There could be more than one correct choice.) The electric field carries more energy than the magnetic field. The electric and magnetic fields have equal amplitudes. The electric field carries the same mount of energy as the magnetic field. The frequency of the magnetic field is the same as the frequency of the electric field. The...
Which of the following is correct? O X rays are not composed of electromagnetic waves. O...
Which of the following is correct? O X rays are not composed of electromagnetic waves. O X rays are electromagnetic waves of a wavelength much shorter than for infrared rays. O X rays are electromagnetic waves of a wavelength much longer than for infrared rays. + -/0.0001 points Regarding cathode rays, which is correct? Cathode rays are electromagnetic waves of a wavelength much shorter than for infrared rays. O Cathode rays are not composed of electromagnetic waves. O Cathode rays...
Consider electromagnetic waves in free space. What is the wavelength of a wave that has the...
Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 3.00 x 1011 Hz 0.001 (b) 8.40×1016 Hz 4e-9 Your response differs from the correct answer by more than 10%. Double check your calculations. m
Electromagnetic waves are traveling in the vacuum of space. Calculate the wavelengths of these electromagnetic waves...
Electromagnetic waves are traveling in the vacuum of space. Calculate the wavelengths of these electromagnetic waves with the following frequencies. (Enter the first wavelength in pm and the second wavelength in cm.) (a) 8.00 ✕ 1019 Hz ________pm (a) 7.50 ✕ 109 Hz ______cm
Which of the following statements are true? Check all that apply. Electromagnetic waves transport energy from one...
Which of the following statements are true? Check all that apply. Electromagnetic waves transport energy from one region of space to another Electromagnetic waves can exert pressure on an object. Electromagnetic waves transport linear momentum. Electromagnetic waves transport mass from one region of space to another
5) The speed of electromagnetic waves in space is 3.00x10m/s. Calculate the wavelength of the following...
5) The speed of electromagnetic waves in space is 3.00x10m/s. Calculate the wavelength of the following electromagnetic waves with the following frequencies: a. Microwaves at 300.0 MegaHertz (MHz) (lm) b. Green light at 5.8.0x10 Megahertz (MHz) (0.517m) c. Microwaves at 2.45GHz (0.122m)
Part A - If you compare green light to radio waves which of the following is...
Part A - If you compare green light to radio waves which of the following is TRUE? O O green light is electromagnetic radiation and radio waves are not green light has a longer wavelength than a radio wave green light travels through free space at the same speed as radio waves green light has lower energy than radio rays O
Which of the following is not a property of electromagnetic (EM) waves? EM waves can be...
Which of the following is not a property of electromagnetic (EM) waves? EM waves can be polarized. EM waves are transverse waves. EM waves require a medium through which to travel. EM waves carry energy. All EM waves travel at the same speed in a vacuum.
Which of the following is correct? O X rays are not composed of electromagnetic waves. O X rays are electromagnetic waves of a wavelength much shorter than for infrared rays. O X rays are electromagnetic waves of a wavelength much longer than for infrared rays. + -/0.0001 points Regarding cathode rays, which is correct? Cathode rays are electromagnetic waves of a wavelength much shorter than for infrared rays. O Cathode rays are not composed of electromagnetic waves. O Cathode rays...
Consider electromagnetic waves in free space. What is the wavelength of a wave that has the following frequencies? (a) 3.00 x 1011 Hz 0.001 (b) 8.40×1016 Hz 4e-9 Your response differs from the correct answer by more than 10%. Double check your calculations. m
Which of the following statements are true? Check all that apply. Electromagnetic waves transport energy from one region of space to another Electromagnetic waves can exert pressure on an object. Electromagnetic waves transport linear momentum. Electromagnetic waves transport mass from one region of space to another
5) The speed of electromagnetic waves in space is 3.00x10m/s. Calculate the wavelength of the following electromagnetic waves with the following frequencies: a. Microwaves at 300.0 MegaHertz (MHz) (lm) b. Green light at 5.8.0x10 Megahertz (MHz) (0.517m) c. Microwaves at 2.45GHz (0.122m)
Part A - If you compare green light to radio waves which of the following is TRUE? O O green light is electromagnetic radiation and radio waves are not green light has a longer wavelength than a radio wave green light travels through free space at the same speed as radio waves green light has lower energy than radio rays O
Which of the following is not a property of electromagnetic (EM) waves? EM waves can be polarized. EM waves are transverse waves. EM waves require a medium through which to travel. EM waves carry energy. All EM waves travel at the same speed in a vacuum.
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