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प्रश्न
What is the velocity of light in a vacuum?
एका वाक्यात उत्तर
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उत्तर
The velocity of light in a vacuum is 3 x 108 m/s.
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संबंधित प्रश्न
Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
The perpendicular to the mirror at the point of incidence is called ______.
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
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.
What is meant by rectilinear propagation of light?
What is the cause of regular reflection?
Locate the image termed when the object is placed between two planes as shown in the following figure.
Light that hits a mirror gets ______.
______ through which light can pass partially.
What happens when light hits a transparent object?
