only for correct answer
NEED CORRECT ANSWER ASAPPP for each question
4. Which of the...
Physics, 18.01.2021 17:20 manillasoccer
only for correct answer
NEED CORRECT ANSWER ASAPPP for each question
4. Which of the following is the best example of diffraction?
a. Your voice echoing back when you shout into a canyon
b. A straw appearing to bend when you place it in a glass of water
C. A prism breaking a beam of light into its component colors
d. The music on your stereo getting louder when you turn up the volume
5. What is the main difference between refraction and diffraction?
a. Refraction is a phenomenon that affects light; diffraction is a phenomenon that affects
sound.
b. Refraction involves the bending of light; diffraction involves the bending and spreading
of light, usually around an obstacle.
c. Refraction usually happens in the atmosphere; diffraction usually happens closer to the
earth's surface.
d. Refraction involves changes to the density of light; diffraction involves changes to the
speed of light.
Answers: 1
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The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory
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Jasmine is diving off a 3-meter springboard. her height in meters above the water when she is x meters horizontally from the end of the board is approximated by the equation h=-x^2+3x+3. what is the maximum height jasmine will reach on her dive?
Answers: 3
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The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.
Answers: 2
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Aspectroscope breaks light up into its colors, allowing scientists to analyze light from the solar system and universe. by studying the spectral line patterns, widths, strengths and positions, scientists can determine the speed, position, and of celestial bodies. a) age b) origin c) rotation d) temperature
Answers: 1
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