Kerjakan di kertas HVS, dan untuk soal yang menghitung: Tunjukkan cara perhitungannya.
Waktu Pengumpulan Mei Minggu II (tanggal 7-11 Mei) tepat saat Pelajaran Fisika-A di kelas masing-masing.
1. As the angle of incidence is increased for a ray incident on a reflecting surface, the angle between the incident and reflected rays ultimately approaches what value?
a. zero
b. 45 degrees
c. 90 degrees
d. 180 degrees
2. If you stand three feet in front of a plane mirror, how far away would you see yourself in the mirror?
a. 1.5 ft
b. 3.0 ft
c. 6.0 ft
d. 12.0 ft
3. A concave mirror with a focal length of 10.0 cm creates a real image 30.0 cm away on its principal axis; the corresponding object is located how far from the mirror?
a. 20.0 cm
b. 15.0 cm
c. 7.5 cm
d. 5.0 cm
4. A concave mirror forms a real image at 25.0 cm from the mirror surface along the principal axis. If the corresponding object is at a 10.0 cm distance, what is the mirror's focal length?
a. 1.4 cm
b. 16.7 cm
c. 12.4 cm
d. 7.1 cm
5. If a virtual image is formed along the principal axis 10.0 cm from a concave mirror with the focal length 15.0 cm, what is the object distance from the mirror?
a. 30.0 cm
b. 10.0 cm
c. 12.4 cm
d. 6.0 cm
6. If a virtual image is formed 10.0 cm along the principal axis from a convex mirror of focal length -15.0 cm, what is the object distance from the mirror?
a. 30.0 cm
b. 10.0 cm
c. 6.0 cm
d. 3.0 cm
7. If a man's face is 30.0 cm in front of a concave shaving mirror creating an upright image 1.50 times as large as the object, what is the mirror's focal length?
a. 18.0 cm
b. 20.0 cm
c. 70.0 cm
d. 90.0 cm
8. Which of the following best describes the image formed by a plane mirror?
a. virtual, inverted and enlarged
b. real, inverted and reduced
c. virtual, upright and the same size as object
d. real, upright and the same size as object
9. Which of the following best describes the image formed by a concave mirror when the object is located somewhere between the focal point (F) and the center of curvature (C) of the mirror?
a. virtual, upright and enlarged
b. real, inverted and reduced
c. virtual, upright and reduced
d. real, inverted and enlarged
10. Which of the following best describes the image formed by a concave mirror when the object is at a distance further than the center of curvature (C) of the mirror?
a. virtual, erect and enlarged
b. real, inverted and reduced
c. virtual, upright and reduced
d. real, inverted and enlarged
11. Which of the following best describes the image formed by a concave mirror when the object distance from the mirror is less than the focal length (f)?
a. virtual, upright and enlarged
b. real, inverted and reduced
c. virtual, upright and reduced
12. Which of the following best describes the image formed by a convex mirror when the object distance from the mirror is less than the absolute value of the focal length (f)?
a. virtual, upright and enlarged
b. real, inverted and reduced
c. virtual, upright and reduced
d. real, inverted and enlarged
13. Use of a parabolic mirror, instead of one made of a circular arc surface, can be used to reduce the occurrence of which of the following effects?
a. spherical aberration
b. mirages
c. chromatic aberration
d. light scattering
14. When the image of an object is seen in a plane mirror, the image is _____.
a. real and upright.
b. real and inverted.
c. virtual and upright.
d. virtual and inverted.
15. When the image of an object is seen in a plane mirror, the distance from the mirror to the image depends on _____.
a. the wavelength of light used for viewing.
b. the distance from the object to the mirror.
c. the distance of both the observer and the object to the mirror.
16. If a man wishes to use a plane mirror on a wall to view both his head and his feet as he stands in front of the mirror, the required length of the mirror _____.
a. is equal to the height of the man.
b. is equal to one half the height of the man.
c. depends on the distance the man stands from the mirror.
d. depends on both the height of the man and the distance from the man to the mirror.
17. When the image of an object is seen in a concave mirror the image will _____.
a. always be real.
b. always be virtual.
c. be either real or virtual.
d. will always be magnified.
18. When the image of an object is seen in a convex mirror the image will _____.
a. always be real.
b. always be virtual.
c. may be either real or virtual.
d. will always be magnified.
19. Rays of light traveling parallel to the principal axis of a concave mirror will come together _____.
a. at the center of curvature.
b. at the focal point.
c. at infinity.
d. at a point half way to the focal point.
20. Right angle mirrors produce three images of objects. Which of the following is statements is/are true of the middle image?
a. The middle image is the same size as the object.
b. The middle image is the same distance from the mirror as the object.
c. The middle image will exhibit left-right reversal relative to the object.
d. The middle image is a real image.
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