Science Practice Quiz 73

Q1.To which types of reflecting surfaces are the laws of reflection applicable?

A. Only plane mirrors B. Only spherical mirrors C. Only curved mirrors D. All types of reflecting surfaces, including spherical surfaces

Q2.What are the characteristic properties of the image formed by a plane mirror?

A. Always real and inverted B. Always virtual and erect C. Sometimes real and sometimes virtual D. Always magnified

Q3.How does the size of the image formed by a plane mirror compare to the size of the object?

A. The image is always smaller than the object. B. The image is always larger than the object. C. The size of the image is equal to that of the object. D. The size of the image varies depending on the object's distance.

Q4.For an image formed by a plane mirror, how is its distance behind the mirror related to the object's distance in front of it?

A. The image is formed closer to the mirror than the object. B. The image is formed farther from the mirror than the object. C. The image is formed as far behind the mirror as the object is in front of it. D. The image distance is half of the object distance.

Q5.What additional characteristic does the image formed by a plane mirror possess?

A. It is always upright. B. It is always magnified. C. It is laterally inverted. D. It is always diminished.

Q6.What is the most commonly used type of curved mirror?

A. Cylindrical mirror B. Parabolic mirror C. Spherical mirror D. Elliptical mirror

Q7.What type of spherical mirror has its reflecting surface curved outwards?

A. Concave mirror B. Plane mirror C. Convex mirror D. Cylindrical mirror

Q8.In the context of spherical mirrors, what is the 'pole' (P)?

A. The center of the sphere of which the mirror is a part. B. The center of the reflecting surface of a spherical mirror. C. The point where all reflected rays converge. D. The point where the incident ray strikes the mirror.

Q9.What is the point called that represents the centre of the sphere of which the reflecting surface of a spherical mirror forms a part?

A. Pole B. Principal Focus C. Centre of Curvature D. Optical Centre

Q10.Where does the centre of curvature of a spherical mirror typically lie in relation to its reflecting surface?

A. It is always a part of the mirror. B. It lies inside the reflecting surface. C. It lies outside its reflecting surface. D. It is always at the pole of the mirror.

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Science Practice Quiz 73