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Which of the following is not a property of electromagnetic (EM) waves? EM waves can be...
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) The...
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) They carry energy (D) They require a medium through which to propagate. (E) The wave speed depends on the properties of the medium in which they travel.
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by...
Select True or False for the following statements about electromagnetic waves. 1. The sun's radiation is...
Select True or False for the following statements about electromagnetic waves. 1. The sun's radiation is most intense in the visible region. 2. X-rays can be produced in transitions involving inner electrons in an atom. 3. Gamma rays travel in vacuum at the same speed as the visible light. 4. Blue light has a longer wavelength than red. 5. Ultraviolet radiation causes common sunburn. 6. A vertical automobile antenna is sensitive to electric fields polarized horizontally. 7.Radio waves have wavelengths...
Which of the following is NOT true for electromagnetic waves? (a) they transport energy (b) they...
Which of the following is NOT true for electromagnetic waves? (a) they transport energy (b) they transport momentum (c) they consist of changing electric and magnetic fields (d) they travel at different speeds in vacuum, depending on their frequency e) they can be reflected We perceive frequency for sound wave as pitch. What do we perceive frequency for light waves? (a) Color (b) Brightness (c) opacity (d) Shininess Unpolarized light passes through a single polarizer with an intensity of 10.00...
Electromagnetic waves True or False
Select True or False for the following statements about electromagnetic waves.1. Gamma rays can be produced in transitions of an atomic nucleus from one state to another.2. The Earth's atmosphere is quite transparent to infrared radiation.3.Radio waves have wavelengths longer than 1 m.4. Radio waves travel in vacuum at a lower speed than the visible light.5. X-rays are produced by a glowing light bulb.6. The sun's radiation is most intense in the visible region.7. A vertical automobile antenna is sensitive...
Choose the item that best fits each description: 1. EM waves in space travel 2. in...
Choose the item that best fits each description:
1. EM waves in space travel
2. in an EM wave, the electrical field and magnetic field
are
3. heat radiation emitted by all objects
Options are:
Loadstone
Longitudinal Wave
magnetic field interference gamma rays plane mirror perpendicular to each other created by a moving electric charge blackbody radiation a transverse wave greenhouse effect diffuse reflection X-rays specular reflection at the speed of light (c) polarization electromagnetic induction ELF Waves normal middle...
In which of the following ways are sound waves different from light waves? Select the correct...
In which of the following ways are sound waves different from light waves? Select the correct answer Sound waves must propagate through some medium, while light waves can propagate in a vacuum Audible sound waves have much lower frequencies than visible light waves Sound waves are longitudinal while light wavesY are transverse Your Answe O All of the listed options are valid. Audible sound waves have much longer wavelengths than visible light waves
Which of the following is NOT a property of sound waves? A. The speed of sound...
Which of the following is NOT a property of sound waves? A. The speed of sound waves in air depends on the temperature of the air B. The pitch of a sound wave is closely related to its frequency C. The loudness of a sound wave is related to its amplitude and frequency D. Sound waves can travel through empty space
Which type of electromagnetic wave travels through space the slowest? All EM waves travel at the...
Which type of electromagnetic wave travels through space the slowest? All EM waves travel at the same speed. Microwaves Radio waves Ultraviolet light Infrared light As you are looking through two polarizers at a lightbulb, it ap-pears as bright as possible. After turning one of the polarizer, by 180 degrees, the lightbulb would appear hellip hellip equally bright. hellip as dark as possible. hellip darker, but not as dark as it could be if you turned the polarizers differently. Two...
Select True or False for the following statements about electromagnetic waves. True False Blue light has a...
Select True or False for the following statements about electromagnetic waves. True False Blue light has a higher frequency than X-rays. True False X-rays travel in vacuum at a higher speed than the visible light. True False The sun's radiation is most intense in the infrared region. True False Gamma rays can be produced in transitions of an atomic nucleus from one state to another. True False Ultraviolet radiation causes common sunburn. True False A vertical automobile antenna is sensitive to electric fields polarized horizontally. True...
Select True or False for the following statements about electromagnetic waves. True False A vertical automobile antenna...
Select True or False for the following statements about electromagnetic waves. True False A vertical automobile antenna is sensitive to electric fields polarized horizontally. True False Visible light is often emitted when valence electrons change their state. True False X-rays travel in vacuum at a higher speed than the visible light. True False The sun's radiation is most intense in the infrared region. True False The Earth's atmosphere is quite transparent to infrared radiation. True False Gamma rays can be produced in transitions of an atomic...
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) They carry energy (D) They require a medium through which to propagate. (E) The wave speed depends on the properties of the medium in which they travel.
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by...
Which of the following is NOT true for electromagnetic waves? (a) they transport energy (b) they transport momentum (c) they consist of changing electric and magnetic fields (d) they travel at different speeds in vacuum, depending on their frequency e) they can be reflected We perceive frequency for sound wave as pitch. What do we perceive frequency for light waves? (a) Color (b) Brightness (c) opacity (d) Shininess Unpolarized light passes through a single polarizer with an intensity of 10.00...
Choose the item that best fits each description:
1. EM waves in space travel
2. in an EM wave, the electrical field and magnetic field
are
3. heat radiation emitted by all objects
Options are:
Loadstone
Longitudinal Wave
magnetic field interference gamma rays plane mirror perpendicular to each other created by a moving electric charge blackbody radiation a transverse wave greenhouse effect diffuse reflection X-rays specular reflection at the speed of light (c) polarization electromagnetic induction ELF Waves normal middle...
In which of the following ways are sound waves different from light waves? Select the correct answer Sound waves must propagate through some medium, while light waves can propagate in a vacuum Audible sound waves have much lower frequencies than visible light waves Sound waves are longitudinal while light wavesY are transverse Your Answe O All of the listed options are valid. Audible sound waves have much longer wavelengths than visible light waves
Which type of electromagnetic wave travels through space the slowest? All EM waves travel at the same speed. Microwaves Radio waves Ultraviolet light Infrared light As you are looking through two polarizers at a lightbulb, it ap-pears as bright as possible. After turning one of the polarizer, by 180 degrees, the lightbulb would appear hellip hellip equally bright. hellip as dark as possible. hellip darker, but not as dark as it could be if you turned the polarizers differently. Two...
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