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प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
पर्याय
True
False
उत्तर
False
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संबंधित प्रश्न
What is light? Define it.
Name two natural sources of light.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Fill in the blank
Speed of light in vacuum is .................
When a ______ object comes in the way of light, light passes ______ it.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
The mirror used in search light is ______.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
What is light?
A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly?
