railway DFCCIL Junior Executive 2023 (CBT 1 & CBT 2) Mock Test General Science Physics Work Power Energy
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.
1
Only A is true
2
Only B is true
3
A and B are both false
4
A and B are both true