An iron nail sinks in water whereas an iron ship floats. Which of the following statements is correct in this regard? 1. Average density of ship is greater than that of the water 2. Average density of iron nail is greater than that of the water 3. Average density of the ship is less than that of the water 4. Average density of the ship is equal to that of the water Select the correct answer using the code given below

Which of the following statements give characteristics of contact forces ? 1. It appears between an object when it is in contact with some other object 2. It satisfies the third law of motion 3. It m…

Which one of the following statements regarding simple pendulum is correct ? Simple pendulum has a time period independent of amplitude :

Which one of the following statements about speed and velocity is correct?

Which one of the following equations related to the motion of an object is NOT correct? (Symbols carry their usual meanings)

Statement: An object of mass M is falling freely and its acceleration remains constant. Conclusion I: The velocity of the object increases uniformly. Conclusion II: The acceleration of the object dep…