Solution:
Einstein’s mass-energy equivalence expression is E = (∆m) c2
where ∆m is the loss in mass or mass defect in kg,
c is the speed of light = 3 × 108 m s-1 in air or vaccum
and E denotes the energy in joule (J).
Write down the Einstein’s mass-energy equivalence relation, explaining the meaning of each symbol used in it.
Write down the Einstein’s mass-energy equivalence relation, explaining the meaning of each symbol used in it.
and 
, internal resistance 
and 
, connected in parallel. The equivalent emf of the combination is- (A) 
(B) 
(C) 
(D) 
and 
are collinear, prove that 
and 
be three points such that area of a 
is 4 sq units, find the value of 
.
and 
is 35 sq units.
and 
are collinear.
and 
are collinear.
and 
are collinear.
and 