प्र: Select the correct statement (s).

• 1
  When energy is transferred to the system from the surrounding as work, the surrounding do work on the system and the value of work (W) positive.
• 2
  When energy is transferred from the system to the surrounding as work, work is done on the surrounding and the value of W is negative.
• 3
  Both (A) and (B)
• 4
  A) and (B) D)