nange (4) v = const; f and λ change (5) all three change 6. Light of wavelength of 550 nm is incident perpendicularly on a diffraction grating. The angle between the two first-order diffraction maxima on opposite sides of the zeroth-order maximum is 20°. What is the grating spacing? (1) 3.2 μm (5) 550 nm (4) 73 μm (2) 1.4 mm (3) 0.42 mm 7. Two identical lenses of focal length f are placed at a distance 2f from each other. An object of height h is placed at a distance 3f to the left of the left lens of the pair. If one views the object through these two lenses from the right, what is the height of the image? (1) 0.67 h (4) 0.33 h (1) / ㅗ 3 (2) h 8. A uniform magnetic field is going into the plane of the page. Two charged particles of the same mass and equal kinetic energy move in circles with radii r₁ = 2r2 in the plane of the page, as shown in the figure. They move in opposite directions, as indicated by the arrows. What is the ratio 91/92 of the charges? (1) 45 mW (2) 10 mW (3) 30 mW (4) 90 mW (5) 20 mW (2) 2 (3) 0.25 h (3) - -/-/ 9. In the figure, R₁ = 3 kn = R₂. If the power dissipated in R₁ and R₂ are 90 mW and 10 mW, respectively, how much power is dissipated in R3? (4) 1 R₁ www X X X X X XXX XXX X X R₂ R3 (5) 0.5 h XX X X X X X X X (5) -2
nange (4) v = const; f and λ change (5) all three change 6. Light of wavelength of 550 nm is incident perpendicularly on a diffraction grating. The angle between the two first-order diffraction maxima on opposite sides of the zeroth-order maximum is 20°. What is the grating spacing? (1) 3.2 μm (5) 550 nm (4) 73 μm (2) 1.4 mm (3) 0.42 mm 7. Two identical lenses of focal length f are placed at a distance 2f from each other. An object of height h is placed at a distance 3f to the left of the left lens of the pair. If one views the object through these two lenses from the right, what is the height of the image? (1) 0.67 h (4) 0.33 h (1) / ㅗ 3 (2) h 8. A uniform magnetic field is going into the plane of the page. Two charged particles of the same mass and equal kinetic energy move in circles with radii r₁ = 2r2 in the plane of the page, as shown in the figure. They move in opposite directions, as indicated by the arrows. What is the ratio 91/92 of the charges? (1) 45 mW (2) 10 mW (3) 30 mW (4) 90 mW (5) 20 mW (2) 2 (3) 0.25 h (3) - -/-/ 9. In the figure, R₁ = 3 kn = R₂. If the power dissipated in R₁ and R₂ are 90 mW and 10 mW, respectively, how much power is dissipated in R3? (4) 1 R₁ www X X X X X XXX XXX X X R₂ R3 (5) 0.5 h XX X X X X X X X (5) -2
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter27: Wave Optics
Section: Chapter Questions
Problem 37P
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Question
Transcribed Image Text:f & chang
6. Light of wavelength of 550 nm is incident perpendicularly on a diffraction grating. The angle between the two first-order
diffraction maxima on opposite sides of the zeroth-order maximum is 20°. What is the grating spacing?
(1) 3.2 μm
(2) 1.4 mm
(3) 0.42 mm
(4) 73 μm
(1) λ = const; v and f change
f, and λ remain the same
= const; v and change
V
(4) v = const; f and λ change
all three change
7. Two identical lenses of focal length f are placed at a distance 2f from each other. An object of height h is placed at a
distance 3f to the left of the left lens of the pair. If one views the object through these two lenses from the right, what
is the height of the image?
(1) 0.67 h
(4) 0.33 h
(2) h
8. A uniform magnetic field is going into the plane of the page. Two charged particles of the
same mass and equal kinetic energy move in circles with radii r₁ = 2r2 in the plane of the
page, as shown in the figure. They move in opposite directions, as indicated by the arrows.
What is the ratio 91/92 of the charges?
(1) 45 mW
(2) 10 mW
(3) 30 mW
4) 90 mW
(5) 20 mW
(3) 0.25 h
(2) 2
ΚΩ
9. In the figure, R₁ = 3 kn = R₂. If the power dissipated in R₁ and R2 are
90 mW and 10 mW, respectively, how much power is dissipated in R3?
(3) - 1/1/
(4) 1
R₁
www
1
X
(5) 550 nm
www
R₂
X
X
X
X X X/X
W
X X X X X X
X
X X X
www
R3
(5) 0.5 h
2
X
(5) -2
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