Justify following statements as true or false. P.E. = T.E. + K.E.

Justify following statements as true or false. The cpapcity to do work is called power.

Justify following statements as true or false. 1 Joule = 10^5 dyne.

Justify following statements as true or false. Work is a vector quantity.

Justify following statements as true or false. kWh is the unit of energy.

Justify following statements as true or false. Total amount of energy in the universeatays remains const.

State whether the following statements are true or false : ( If a statement is false , correct it and rewrite it.) : Power of a lens , P = 1/f

State whether the following statements are true or false. Correct the false statement:

State whether the following statements are True or False. 1 dyn e=1g times (1cm)/s^2

State whether the following statements are 'True or False'. Correct the false statement: ISS and Hubble revolve in L.E.O.

If A = {a, b, c, d, e} B= {c, d, e, f}, C = {b, d}, D = {a, e} then which of the follwing statements are true and which are false : C sube B