Physics 10th Class English Medium Unit 3 Online Test With Answers

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Physics 10th Class English Medium Unit 3 Online Test

Sr. # Questions Answers Choice
1 The line which passes through pole of the mirror and center of curvature is called principal: axis Focus Line None of these
2 The mirror whose outer surface is reflecting is called: Concave mirror Convex mirror Lens Mirror
3 The mirror whose inner surface is reflecting is called: Concave mirror Convex mirror Miroor Lens
4 The distance between principal focus and pole of mirror is called: Princpal focus Focal length P Image
5 The point through which rays of light pass after reflection from concave mirror is called principal: Focus Circle Axis Radius
6 Half of radius of curvature is called: Focal length Principal focus Axis None of these
7 The centre of spherical mirror is called: Focus Axis Centre Pole
8 The distance of spherical mirror is called: Curvature Aperture Sphere a,b
9 The critical angle for a beam of light passing from water into air is 48.8 degrees. This mean that all light rays with an angle of incidence greater than this angle will be: Absorbed Totallly reflected Partially reflected and partially transmitted Totally transmitted
10 If a ray of light is glass is incident on an air surface at an angle greater than the critical angle, the ray will. refract only reflect only partially refract and partially reflect Diffract only
11 Image formed on a camera is: real,invertred, and diminished virtual, upright and diminshed virtual, upright and magnified real, inverted and magnified
12 Which types of image is produced by the converging lens of human eye if it view a distant object? Real , erect, same size Real, inverted, diminshed Virtual, erect,diminshed Virtual, inverted, magnified
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