106 ANS Plane mirrors can be fixed on any two parallel sides of a room to give

# 106 ans plane mirrors can be fixed on any two

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106. ANS: Plane mirrors can be fixed on any two parallel sides of a room to give an illusion of greater size.
PTS: 1 DIF: Bloom's Level 2 REF: Page 462 OBJ: 17.1.3 Locate the images formed by plane mirrors. TOP: Locate the images formed by plane mirrors. KEY: Plane mirror MSC: 2 NOT: The image formed by a plane mirror is placed at a distance that is equal to the distance between the object and the mirror. This gives an illusion of greater depth. 107. ANS: A convex mirror can be used as a rear view mirror, because it produces an upright image of objects regardless of position and offers a wide field of view. PTS: 1 DIF: Bloom's Level 2 REF: Page 471 OBJ: 17.2.2 Describe properties and uses of curved mirrors. TOP: Describe properties and uses of curved mirrors. KEY: Convex mirror MSC: 3 NOT: Convex mirrors produce images that are smaller than the objects. This increases the field of view for observers. 108. ANS: 70° PTS: 1 DIF: Bloom's Level 2 REF: Page 458 OBJ: 17.1.1 Explain the law of reflection. TOP: Explain the law of reflection. KEY: Angle of incidence MSC: 2 NOT: The angle of incidence is the angle made by the incident ray with the normal to the reflecting surface at the point of incidence. The angle of reflection is equal to the angle of incidence. 109. ANS: Convex mirrors only produce virtual images because the light rays reflecting off them always diverge. PTS: 1 DIF: Bloom's Level 4 REF: p. 471 NAT: B.6 110. ANS: A plane mirror will produce a virtual image that is the same size as the object and located as far away from the mirror as the object is. PTS: 1 DIF: Bloom's Level 4 REF: p. 473 NAT: B.6 111. ANS: The object should be placed between the focal point and the mirror in order to produce a virtual image. PTS: 1 DIF: Bloom's Level 4 REF: p. 473 NAT: B.6 112. ANS: This mirror will produce an image that is 2.5 times larger than the object, and the image will be inverted with respect to the object. PTS: 1 DIF: Bloom's Level 4 REF: p. 468 NAT: UCP.3 113. ANS: 55°
PTS: 1 DIF: Bloom's Level 1 REF: Page 458 OBJ: 17.1.1 Explain the law of reflection. TOP: Explain the law of reflection. KEY: Angle of incidence MSC: 1 NOT: The angle of incidence is the angle made by the incident ray with the normal to the reflecting surface at the point of incidence. 114. ANS: The surface of the object should have multiple narrow faces so that very little light is reflected back to the observer. PTS: 1 DIF: Bloom's Level 2 REF: Page 459 OBJ: 17.1.2 Distinguish between specular and diffuse reflection. TOP: Distinguish between specular and diffuse reflection. KEY: Specular reflection, Diffuse reflection MSC: 2 NOT: The surface of the object should have multiple narrow faces so that very little light is reflected back to the observer. 115. ANS: 27° PTS: 1 DIF: Bloom's Level 2 REF: Page 458 OBJ: 17.1.1 Explain the law of reflection. TOP: Explain the law of reflection.

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