Multiple choice

Which of the following statement is/are correct? Assertion: A boy is holding a wooden ply in his hands. The boy would feel a decrease in weight of the ply when the bird flies up, which was resting on the ply initially. Reason: According to Newton's law of motion, action and reaction will be twice to each other.

  1. If both assertion and reason are true and the reason is correct explanation of assertion.

  2. If both assertion and reason are true but reason is not a correct explanation of assertion.

  3. If assertion is true and reason is false.

  4. If both assertion and reason are false.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The boy will not feel any change in weight of the ply wood. According to Newton's law of motion, action and reaction will be equal to each other. The action done by the feet of the bird will be equal to reaction produced by wooden ply. So, the ply shows no change in weight.

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