Question

Section A
Do as directed.Each carries 1 mark
1
2.
3
Write the two basic principal in physics.
Which is the weakest fundamental force in nature?
The electric force between two protons is
times
gravitational force between them for any fixed distance. (Fill in blank
1
The number of significant figure in 0.06900 is
(A)
2
(B)
ܠ
(C)
3
(D)
ол
1um X 1nm
1 Cm
( choose the correct antion)​

Answer 1

Answer:

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