Conceptual Physics (12th Edition)
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When light falls on an object, the electrons of ... more
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Electrons with high energy re emit radiation. ; ... more
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Out of the all possible paths the light choose ... more
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The angle of incidence of a ray of light falling ... more
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Distance between the object and mirror is same as ... more
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4% of light gets reflected. ; It is impossible to ... more
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YesThe open mesh of a parabolic dish may be rough ... more
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Both angles are the same. ; The light falling on ... more
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When glass has a measurable thickness and its ... more
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Light travels faster in thin air and it results ... more
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YesThe laws of reflection applies to a point where... more
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Refraction ; During the hot sunny days, the air ... more
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Wave fronts of light interacts with glass and ... more
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90° ; The direction of wave front is always ... more
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When light is refracted in a medium, the average ... more
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Eye glasses made with a high refractive index are ... more
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Swimming pool appears to be more shallow. ; When ... more
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Violet ; The speed of light in a medium is a ... more
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Spectrum of colors. ; Since white light is ... more
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Single color ; The speed of different colors in ... more
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Due to double reflection. ; Double reflection is ... more
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Critical angle is the angle of incidence in the ... more
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The critical angle for glass is .The critical ... more
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Though, light travels in a straight line, if there... more
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When the parallel rays of light passes through a ... more
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Focal length is the distance between the center of... more
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Real image is formed as a result of intersection ... more
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Convex lens for real images.Concave lens for ... more
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Spherical and chromatic aberrations will be ... more
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Astigmatism is the refractive error occurred due ... more
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The distance of the image formed by the mirror and... more
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103 solar diameter ; By making a pin hole in paper... more
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4 m/s ; Fix the center of frame of reference at ... more
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; The law of reflection of light states that the ... more
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70 cm ; In the case of plane mirror the distance ... more
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The percentage of light transmitted through the ... more
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84.64 % ; The light transmitted by the first pane ... more
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It takes the sun, a few extra minutes over . ; ... more
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It can be observed that the distance between the ... more
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The rough surface offers more friction, hence, ... more
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The measure of speed of light in the medium is a ... more
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Lower the velocity of light through the medium, ... more
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The person seems to be flying since it seems as if... more
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Image of rock overlaps the image of duck's feet ; ... more
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Two parallel mirrors.The image of first mirror ... more
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3 mirrors placed in triangular form. ; On the left... more
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In the case of reflection, least distance can be ... more
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card number 2 ; According to laws of reflection, ... more
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YesThe bullet will follow the same path as that of... more
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Image is formed because the plane mirror is ... more
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The image is only visible if the object come in ... more
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The mirror produces lateral inversion and not ... more
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The mirror is adjusted at night in such a way that... more
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The person outside the dark room reflects light ... more
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Matte surfaces produce diffuse reflection as a ... more
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Half the height of the person. ; If the size of ... more
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The length of the mirror will remain the same and ... more
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Either use a large mirror or hold the mirror away ... more
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The length of mirror must be half of the length of... more
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; Since both persons are of equal height and ... more
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Farsighted. ; If the size of the eye is magnified... more
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Lens with high refractive index. ; Nearsightedness... more
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Agree with the friend, The velocity of the wave ... more
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; This model is a representation of refraction of... more
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Both pulses exit at same time ; The law of ... more
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Earth's atmosphere acts as a converging lens, and ... more
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The weight of the leg of strider is negligibly ... more
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No, the shape of rainbow always remains as circle... more
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By using them, the refraction of light from water ... more
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Since the eye forms an image by converging the ... more
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Sparkle less in the water.Light slows down in ... more
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Camera produces the whole image with less ... more
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The intensity of the image will be reduced. ; Each... more
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Converging lens should be made from a material ... more
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NoSince magnification takes place due to ... more
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Magnify less ; The basis of magnification is the ... more
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Sharp image ; Blur image is the result of ... more
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The sharpness of the image in a pinhole camera ... more
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Since the vehicle A is at a large distance from ... more
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The gaps between the leaves act as pinholes and ... more
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Distance is equal to the focal length. ; If an ... more
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Because the projector forms an inverted image ; ... more
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YesThe inverted image signals from the retina are ... more
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Yes ; The camera has a converging lens, and hence... more
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Because the telescope forms an upside down image... more
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Older people have a problem of farsightedness. ; ... more
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Speed is sameIndices of refraction are equal ; The... more
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The glass surface being smooth reflects the light ... more
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A pebbled and uneven road surface.Smooth road ... more
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Because of ripples on the water surface there are ... more
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The lights from the sky ; The hot surface of the ... more
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The full cartoon image of the man is visible to ... more
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No. There is no contradiction. Both phenomena ... more
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Increases ; According to the refraction phenomena ... more
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Below the observed fish.Directly at the observed ... more
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Lasers should be aimed slightly below the observed... more
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Fish can see outside of water because of light ... more
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Reverse possibility will not happen, because when ... more
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Aim the visible space station, the light rays ... more
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Water droplets are common to both the observers, ... more
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The shadow of the plane will appear in the center ... more
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Ice crystals are responsible for creating the halo... more
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It is impossible to increase the solar energy, the... more
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The average intensity will remain the same whether... more
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The difference in refractive index of air and ... more
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Speed of light remains almost constant ; Velocity ... more
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Merely locate the position of the image. ; To ... more