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प्रश्न
We can see a non-luminous object when the light
विकल्प
emitted by the object falls on the eye
is reflected from the object towards our eye
completely passes through the object
gets completely absorbed by the object
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उत्तर
is reflected from the object towards our eye
Explanation:
We can see a non-luminous object (object that does not produce its own light), when light reflected by the object enters our eyes.
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संबंधित प्रश्न
Fill in the blank
Angle of incidence = ___________
Fill in the blank
The incident ray, the reflected ray and the normal lie in one _______
Select the correct alternative
The angle of incidence on a plane mirror is 30°.The angle of reflection will be:
Explain the following terms:
Incident ray, Reflected ray, Angle of incidence, Angle of reflection, Normal.
Define the following term
Normal
A small hole P is made in a piece of cardboard. The hole is illuminated by a torch as shown in the following figure. The pencil of light coming out of the hole falls on a mirror.
At which point should the eye be placed, so that the hole can be seen?
The angle between incident ray and reflected ray is 60°. What is the value of angle of incidence?
There is a mistake in each of the following ray diagrams given as figures a, b, and c. Make the necessary correction (s).
 |
 |
 |
| (a) | (b) | (c) |
The angle formed between the reflected ray and the normal is ______.
Assertion (A): A ray incident along normal to the mirror retraces its path.
Reason (R): In reflection, the angle of incidence is always equal to the angle of reflection.
