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प्रश्न
Write true or false
Opaque objects do not allow light to pass through them.
विकल्प
True
False
उत्तर
True
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
What do you understand by candle power?
Fill in the blank
There are ........... and man-made ............ of light.
Fill in the blank
Light consists of .............. colours.
Describe the pictures.
When a beam of white light passes through a prism it gets ______.
The mirror used in search light is ______.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
Why are traffic signals red in colour?
