1.

Which of the following statements is/are true?A. Rigidity: Mass per unit volume of a substance / matter is known as its rigidity.B. Kinetic energy: It is the kind of energy present in an object when it is under motion as the particles of that object/matter are continuously moving, which is why matter has kinetic energy.

A. Only A is true
B. Only B is true
C. A and B are both false
D. ​A and B are both true
Answer» C. A and B are both false


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