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Why does an aeroplane flying at a great ...

Why does an aeroplane flying at a great altitude not cast a shadow on the earth ?

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Similar Questions

Explore conceptually related problems

On a sunny day, does a bird or an aeroplane flying high in the sky cast its shadow on the ground? Under what circumstances can we see their shadow on the ground?

Why does not an aeroplane of a bird cast a shadow when they are at greater heights?

Knowledge Check

  • Assertion :- Bird flying high up in air does not cast shadow on the earth ground. Reason :- The size of bird is smaller than sun and sun is an extended source of light.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion & Reason are False.

  • A radar detect an aeroplane in the sky at an altitude of 5 km , at an angle of elevation of 45 . Find the distance of the aeroplane from the radar .

    A
    `5sqrt(2)`
    B
    4 km
    C
    5 km
    D
    6 km

  • A bird flying high up in air does not cast shadow in the ground because

    A
    the size of the bird is smaller than sun
    B
    the size of the bird is smaller than earth
    C
    light rays fall almost normally on the bird
    D
    none of the above

    • Similar Questions

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    What is a shadow and why the house fly does not cast a shadow on the ground while flying ?

    What is a shadow and why the house fly does not cast a shadow on the ground while flying ?

    Transparent objects do not cast shadows.

    Why does ice melt showly at higher altitudes?

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