Q. The highest point o longitudinal wave is called

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Q. A diagram constructed to locate the position and type of image formed by a thin converging lens is known as

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Q. A magnifying glass is a

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Q. To produce a real, inverted and diminished image on film, a camera uses

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Q. A magnifying glass is used to make objects

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Q. For each angle of incidence, the corresponding value of angle of reflection is

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Q. The reflection depends on the object's

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Q. A periscope helps a person to look over a high wall or obstacles by using to plane mirrors inclined at

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Q. As per second law of reflection, the angle of incidence is equal to the

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Q. The angle between the incident ray and the normal is known as

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Q. The incident ray, reflected ray and the normal to the reflecting surface all lie on the same plane, as per

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Q. The perpendicular to the reflecting surface at the point of the incidence is termed as

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Q. The point on the reflecting surface where the light ray hits is called

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Q. It occurs at rough surfaces

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Q. The image formed by a plane mirror is of

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Q. The surfaces having irregular reflection, the normal at all the points of incidence are

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Q. The angle between the reflected ray and the normal is termed as

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Q. In regular reflection, parallel light rays incident on the surface are reflected in

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Q. The surfaces having regular reflection, the normal at all the points of incidence are

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Q. The reflection in sandpaper and cloth are the examples of

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