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प्रश्न
Write true or false of the following statement.
Light travels in a straight-line path.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank
A medium through which light cannot pass is called the ....................
Select the correct alternative.
The natural source of light is
Can a transparent medium form an image? Explain your answer.
When light passes through a prism, it gets separated into ______ colours.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
Light travels only in a______ It is because of this property that______ are formed.
The mirror used in search light is ______.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
