Science Practice Quiz 76

Q1.In Activity 9.3, for which type of image formation might one not get the image on the screen, requiring looking for it in the mirror itself?

A. Real image B. Inverted image C. Diminished image D. Virtual image

Q2.What is the general shape of the reflecting surface of a spherical mirror?

A. Planar B. Cylindrical C. Spherical D. Parabolic

Q3.What is the outline of the reflecting surface of a spherical mirror?

A. Square B. Oval C. Circular D. Rectangular

Q4.According to the provided text, which of the following statements is true regarding the image formed by a concave mirror?

A. The nature, position, and size of the image are always fixed, irrespective of the object's position. B. The image formed is always real and inverted for all object positions. C. The image formed can be real for some positions and virtual for others. D. The image is always magnified, never reduced or of the same size.

Q5.To construct ray diagrams for locating the image of an object formed by a spherical mirror, what is the minimum convenient number of rays considered for clarity?

A. One ray B. Two rays C. Three rays D. An infinite number of rays

Q6.In the context of ray diagrams for spherical mirrors, what happens to a ray parallel to the principal axis after reflection from a concave mirror?

A. It passes through the pole (P). B. It appears to diverge from the principal focus. C. It passes through the principal focus (F). D. It retraces its path.

Q7.As per Table 9.1, when an object is placed at infinity in front of a concave mirror, what is the nature and size of the image formed?

A. Real and inverted, enlarged B. Virtual and erect, diminished C. Real and inverted, highly diminished (point-sized) D. Virtual and erect, same size

Q8.According to Table 9.1, if an object is placed beyond the center of curvature (C) of a concave mirror, where is the image formed and what is its nature?

A. At the focus F, real and inverted B. Between F and C, real and inverted C. At C, virtual and erect D. Beyond C, real and inverted

Q9.For a concave mirror, when an object is placed at the center of curvature (C), what are the characteristics of the image formed as per Table 9.1?

A. At F, diminished, real and inverted B. Beyond C, enlarged, virtual and erect C. At C, same size, real and inverted D. Between P and F, enlarged, virtual and erect

Q10.What happens to the image formed by a concave mirror when the object is placed between the center of curvature (C) and the principal focus (F)?

A. Image is formed at infinity. B. Image is formed behind the mirror, enlarged, virtual and erect. C. Image is formed beyond C, enlarged, real and inverted. D. Image is formed at C, same size, real and inverted.

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Science Practice Quiz 76