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प्रश्न
A light ray is incident normally on a plane mirror. What is the direction of reflected ray? Show it on a diagram.
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उत्तर
Same as the incident ray
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संबंधित प्रश्न
State two uses of a plane mirror.
Draw a diagram to show the reflection of a ray of light using a plane mirror. In the diagram, label the incident ray, the reflected ray, the normal, the angle of incidence and the angle of reflection.
A ray is incident on a plane mirror . Its reflected ray is perpandicular to the incident ray . Find the angle of incidence .
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.
Draw a neat two ray diagram to illustrate how a concave mirror is used as a shaving mirror.
State whether the following statement is true or false. If false, correct it.
The image in a plane mirror is situated in the mirror.
Say TRUE or FALSE
We see planets because they reflect light from the sun
Higher Order Thinking Skills.
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
Beams of light are incident through the holes A and B and emerge out of box through the holes C and D respectively as shown in the Figure Which of the following could be inside the box?
Plane mirrors are used as looking glass, to reflect light on objects and in periscopes.
