Choose the correct option.
Image formed by a plane mirror is
Image formed by a plane mirror is
- virtual, behind the mirror and enlarged.
- virtual, behind the mirror and of the same size as the object.
- real at the surface of the mirror and enlarged.
- real, behind the mirror and of the same size as the object.
The Correct Option is B
Solution and Explanation
The correct option is (B): virtual, behind the mirror and of the same size as the object.
Top Questions on Multiple Images
(a) Find out the position of the image of an object situated at A in the plane mirror.
(b) Can Paheli at B see this image?
(c) Can Boojho at C see this image?
(d) When Paheli moves from B to C, where does the image of A move?- CBSE Class VIII
- Science
- Multiple Images
- Boojho stands at A just on the side of a plane mirror as shown in Fig.
Can he see himself in the mirror? Also, can he see the image of objects situated at P, Q and R?- CBSE Class VIII
- Science
- Multiple Images
- How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?
- CBSE Class VIII
- Science
- Multiple Images
- Two mirrors meet at right angles. A ray of light is incident on one at an angle of 30° as shown in Fig.
Draw the reflected ray from the second mirror.- CBSE Class VIII
- Science
- Multiple Images
- State the laws of reflection.
- CBSE Class VIII
- Science
- Multiple Images
Questions Asked in CBSE Class VIII exam
- A 5 m 60 cm high vertical pole casts a shadow 3 m 20 cm long. Find at the same time -
(i) the length of the shadow cast by another pole 10 m 50 cm high
(ii) the height of a pole which casts a shadow 5 m long.- CBSE Class VIII
- Direct Proportion
- Identify the part which vibrates to produce sound in the following instruments.
- Dholak
- Sitar
- Flute
- CBSE Class VIII
- Sound is Produced by a Vibrating Body
- The process that you saw in Activity 11.7 is used for purification of copper. A thin plate of pure copper and a thick rod of impure copper are used as electrodes. Copper from impure rod is sought to be transfered to the thin copper plate. Which electrode should be attached to the positive terminal of the battery and why?
- CBSE Class VIII
- Electroplating
- How many people and animals died in Yala National Park?
- CBSE Class VIII
- The Tsunami
- In the tsunami 150,000 people died. How many animals died?
- CBSE Class VIII
- The Tsunami
Concepts Used:
Reflection of Light
Reflection of light is the process by which light waves bounce off a surface when they encounter it. It is a fundamental phenomenon that plays a crucial role in our everyday experiences with light and vision.
When light waves strike a surface, three possible outcomes can occur: absorption, transmission, or reflection. In the case of reflection, the light waves are neither absorbed nor transmitted but instead are redirected back into the original medium.
The angle of incidence, which is the angle between the incident light ray and the perpendicular to the surface, is equal to the angle of reflection, which is the angle between the reflected light ray and the perpendicular to the surface. This relationship is described by the law of reflection.
The law of reflection states that the incident ray, the reflected ray, and the normal (perpendicular) to the surface at the point of incidence lie on the same plane. Additionally, the angle of incidence is equal to the angle of reflection.
The reflective properties of a surface depend on its smoothness and nature. A smooth, polished surface, such as a mirror, exhibits regular or specular reflection, where light waves are reflected in a well-defined direction, resulting in a clear image. On the other hand, a rough or uneven surface exhibits diffuse reflection, where light waves are scattered in various directions, leading to a blurred or scattered reflection.
The reflection of light is utilized in numerous practical applications. Mirrors are used for reflection in optics, photography, and everyday objects like mirrors in households and vehicles. Reflective surfaces are employed in optical systems, such as telescopes, microscopes, and laser devices. The understanding of light reflection is also vital in architectural design, where the reflection of natural light is harnessed to enhance lighting and energy efficiency in buildings.
Overall, the reflection of light is a fundamental phenomenon that enables us to perceive the world around us, and its principles find application in various scientific, technological, and practical domains.