From the given options, choose the one which is not needed to see an object.

Source of light

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Object

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Eyes

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Mirror

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Solution

The correct option is D
Mirror

Among the given options, light is necessary as it is responsible for the sensation of vision or in other words, it enables us to see. Without eyes, we can not sense light. The object is obviously necessary as we can not see something which does not exist. A mirror is required only when we want to see the reflection of the object. Hence, D is the correct answer.

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Similar questions

We can see objects when the light is reflected from the objects and it falls upon our eyes. Why can't walls act as mirror since even walls reflect light which falls on our eyes? [3 MARKS]

Choose the correct statements:

Statement 1: We see objects when light emitted from the objects enter our eyes.

Statement 2: We see objects when light reflected from the objects enter our eyes.

Statement 3: Eyes alone cannot see an object.

Statement 4: Eyes emit light rays in all direction.

Choose the correct statements:

Statement 1: We see objects when light emitted from luminous objects enters our eyes.

Statement 2: We see objects when light reflected from the non-luminous objects enters our eyes.

Statement 3: Eyes alone cannot see an object.

Statement 4: Eyes emit light rays in all direction.

Q. Choose the correct option for the given statements.
Statement 1: To see a non-luminous object, we need a source of light.
Statement 2: Light falling on a wooden table gets reflected.

Q. Suppose 10 J of light energy is needed by the interior of the human eye to see an object. The photons of green light(

λ = 550 n m

) needed to see the object:

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