light and shadow
1.Difference between umbra and penumbra.
2.what is an opaque object?
3.what is a shadow?
4.what is light? Explain briefly.
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1. The umbra is central cone of darkness which tapers of away from earth or moon but the penumbra is an outer of partial Shadow which diverge instead of tapering the moon Shadow cast on the earth appears as solar eclipse.
2. Opaque object is an object which do not allowed any light to enter from it and make the clear shadow of objects.
3. shadow is an dark area made when anybody come in between the Ray of light.
4. light is a form of energy due to which we cansee any object
2. Opaque object is an object which do not allowed any light to enter from it and make the clear shadow of objects.
3. shadow is an dark area made when anybody come in between the Ray of light.
4. light is a form of energy due to which we cansee any object
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