We know that a non-luminous object is one that does not emit its own light, although it can still reflect light from other sources. So, we can see a non-luminous object, when light is reflected from the object towards our eyes.
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Q1
Question 2
We can see a non-luminous object when the light (a) emitted by the object falls on the eye (b) is reflected from the object towards our eye (c) completely passes through the object (d) gets completely absorbed by the object
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Q2
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.
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Q3
Choose the correct answer regarding luminous objects:
Statement 1: Objects which emit light on their own are known as luminous objects. Statement 2: Luminous objects are responsible for our vision. Statement 3: Candle and earth are examples of luminous objects. Statement 4: Luminous objects emit their own light and also reflects the light falling on them from other light sources.
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Q4
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.
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Q5
We can see a non-luminous object when the light ________.