Physics Practice: Reflection of Light (Mock Test 3 - Advanced Mastery)
1. An object is placed at a distance of $15\text{ cm}$ in front of a plane mirror. What is the distance between the object and its image?
2. Two plane mirrors are inclined at an angle of $72^\circ$. The number of images formed for an object placed symmetrically between them is:
3. For a concave mirror, if the object is placed at Focus ($F$), the image is formed at ________ and is highly magnified.
4. The relation $f = R/2$ is strictly valid for spherical mirrors with ________.
5. Which mirror always forms a virtual, erect, and diminished image regardless of the object's position?
6. A ray of light is incident on a plane mirror at an angle of $40^\circ$ with the mirror surface. The angle of reflection is:
7. The focal length of a plane mirror is ________.
8. Solar cookers use large ________ mirrors to focus sunlight at a point.
9. According to New Cartesian Sign Convention, the distances measured in the direction of incident light are:
10. Linear magnification ($m$) is negative for ________ images.
11. A boy walks towards a plane mirror at $2\text{ m/s}$. His image appears to approach him at:
12. The mirror used by ENT specialists is:
13. If $(360/\theta)$ is an odd number and the object is placed asymmetrically, the number of images is:
14. In a convex mirror, the radius of curvature is $20\text{ cm}$. Its focal length is:
15. A ray of light incident on a mirror at an angle of $0^\circ$ with the normal will be reflected at an angle of:
16. The image formed by a concave mirror is real, inverted, and of the same size as the object when the object is at:
17. A virtual image formed by a concave mirror is always ________ the object.
18. The reflecting surface of a convex mirror is curved ________.
19. Reflection by a plane mirror is an example of ________ reflection.
20. In the formula $1/f = 1/v + 1/u$, $v$ represents ________.