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प्रश्न
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संबंधित प्रश्न
State the characteristics of the image formed by a plane mirror.
How is a plane mirror made ?
What type of mirror is used to obtain a real image-of an object?
Describe the principle of simple periscope through an outline ray diagram. Give one of its uses.
An object 1.5 cm high when placed in front of a concave. the mirror produces a virtual image 3 cm high. If the object is placed at a distance of 6 cm from the pole of the mirror, calculate:
- the position of the image
- the focal length of the mirror.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
Identify the following kind of beam of light.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
Materials which reflect the light well are called ______.
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
