1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
A certain mass of Hydrogen is changed to Helium by the process of fusion. The mass defect in fusion reaction is 0.02866 u. The energy liberated per u is (given 1 u = 931 MeV)
A
6.675 MeV
B
13.35 MeV
C
2.67 MeV
D
26.7 MeV
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The output (X) of the logic circuit shown ion figure will be

NEET 2013 Physics - Semiconductor Electronics Question 99 English
A
X = A . B
B
X = $$\overline {A + B} $$
C
X = $$\overline {\overline A } .\overline {\overline B } $$
D
X = $$\overline {A.B} $$
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
The wettability of a surface by a liquid depends primarily on
A
density
B
angle of contact between the surface and the liquid
C
viscosity
D
surface tension
4
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
If an experiment four quantities a, b, c and d are measured with percentage error 1%, 2%, 3% and 4% respectively.

Quantity P is calculated as follows P $$ = {{{a^3}{b^2}} \over {cd}}$$ % error in P is
A
7%
B
4%
C
14%
D
10%