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प्रश्न
State three ways in which the image formed in a plane mirror differs from the image formed in a pin hole camera.
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उत्तर
Image formed by plane mirror :
- Image formed by plane mirror is virtual.
- It can not be obtained on the screen.
- Size of image is same as that of the object.
- Image appears to be inverted only on the vertical axis.
Image formed by Pinhole camera :
- Image formed by pinhole camera is real.
- It can be obtained on the screen.
- Size of the image is smaller than the object.
- Image appears to be inverted on both the vertical axis and horizontal axis.
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संबंधित प्रश्न
State four characteristics of the image formed by a plane mirror.
What is meant by lateral inversion of an image in a plane mirror ? Explain it with the help of a diagram.
Explain the differences between regular and irregular reflection light.
State two advantages and two disadvantages of the reflecting periscope.
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.
Compare the characteristics of an image formed by a convex mirror and a concave mirror, when object is beyond center of curvature, but not at infinity.
Copy the figure and complete it, by drawing two rays to show the formation of the image of the object AB. State the size, position and nature of image formed.
Suppose we wish to obtain the real image of a distant tree. Explain two possible ways in which we can do it.
