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प्रश्न
Fill in the blank
The image formed by a plane mirror is at a distance behind the mirror as ________
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उत्तर
The image formed by a plane mirror is at a distance behind the mirror as the object is in front of it.
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संबंधित प्रश्न
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
Define Regular reflection.
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave 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.
Find the odd one.
sun, candle, torch, pen
Differentiate between a reflection and a shadow
An object that blocks all of the light from passing through is ______.
______ through which light cannot pass.
