An Introduction to Physical Science (14th Edition)
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Angle of reflection is the angle measured between ... more
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Regular reflection means reflection from a smooth ... more
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The critical angle of a medium can be defined as ... more
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Frequency is a property which does not vary with ... more
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For a plane mirror, the image is always virtual ... more
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In a convex mirror, the image formed is always ... more
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Real images can be magnified or reduced in size. ... more
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The rays passing from the concave lens always ... more
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Convex lenses can produce real and virtual images... more
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Intensity I of the light emitted from the ... more
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Diffraction is defined as the bending of waves ... more
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Constructive interference occurs when two waves ... more
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He cuts his left ear. ; For making self portraits... more
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The image also moves towards the mirror when the ... more
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The image of the ruler is exactly the same as the ... more
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; In a plane mirror, the image distance always ... more
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For astronauts, at the international space station... more
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For the part of the object P that is inside the ... more
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The speed of the light in a vacuum is the maximum ... more
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Diamonds have brilliance due to reflection and ... more
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Yes.Daylight hours will be shorter ; As light ... more
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Focal length is the distance from mirror to the ... more
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Real images can be projected on screen which is ... more
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When a light ray passes through a focal point at ... more
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Pass through the focal point upon reflection. ; ... more
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Curving the back surface provides a concave mirror... more
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Concave Mirrors ; Since the concave mirror ... more
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Diverging lens is thick at the edges. ; The two ... more
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As the real image created is inverted. The slide ... more
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The small spot is the image of rays of sun falling... more
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To restore a full range of vision. ; Multifocal ... more
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Polarized Sunglasses and Polaroid Filters . ... more
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No ; Sound waves are longitudinal waves ... more
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Polarization is confining the vibration of wave ... more
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No ; As intensity of light after passing through ... more
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The closely spaced tracks on a CD or DVD act as a ... more
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The wavelength of sound is either larger or ... more
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AM radio waves will get diffracted easily than FM ... more
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Interference is the phenomenon responsible for ... more
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Convex lenses are mostly thicker at the centre ... more
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ray ; Ray optics is a part of optics which deals ... more
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specular ; When parallel rays of light fall on a ... more
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vacuum ; The value of the speed of light is ... more
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toward ; When the light enters a denser medium at ... more
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total internal ; Whenever the two conditions ... more
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converging ; Whenever the light rays are coming ... more
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cannot ; The virtual images are formed at a point ... more
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thicker ; The shape of a converging lens is such ... more
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concave ; The concave lens always forms a virtual ... more
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transverse ; Polarization is when the orientation ... more
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larger ; The angle of diffraction is directly ... more
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principle of superposition ; The displacement of ... more
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At greater distance, convex, real, inverted, ... more
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Moon will give an image of the sun. ; At night, ... more
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Window is made up of two glass sheets which act as... more
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The convex mirror makes an image that is smaller ... more
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Outside world will appear in compressed view to ... more
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Intensity of light when we look through the ... more
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The component of light rays passing through the ... more
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; Use the relation to determine the reflected ... more
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; According to the angle of reflection angle of ... more
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The height of the mirror will be half of the ... more
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5 inches ; Find the mirror length required for ... more
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; Use the relation to find speed of light in ... more
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2.14 ; The index of refraction is given by the ... more
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; To evaluate the amount of percentage, first ... more
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2.42, Diamond ; The given material has 41.3 % of ... more
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The image is real, inverted, and of the same size... more
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a) Real, inverted and smaller b) The image is real... more
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6 cmVirtual, erect, and reduced ; A set of ... more
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Virtual, erect, and reduced ; The christmas tree ... more
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Real, inverted, and same size ; The object is ... more
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Real, inverted, and smallerReal, inverted, and ... more
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36 cm, real, inverted, smaller size ; Here, Do is ... more
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The distance and height of the image is similar to... more
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The image will form at infinity. ; The object is ... more
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9 cm virtual, erect, and reduced ; In a concave ... more
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Virtual, erect and magnified. ; When a light ... more
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Virtual, upright and diminished ; Focal length = ... more