Solved papers for JEE Main & Advanced JEE Main Paper (Held On 19 April 2014)

done JEE Main Paper (Held On 19 April 2014)

Match List - I (Event) with List-II (Order of the time interval for happening of the event) and select the correct option from the options given below the lists:  List - I List - II (a) Rotation period of earth (i) ${{10}^{5}}s$ (2) Revolution period of earth (ii) ${{10}^{7}}s$ (3) Period of light wave (iii) ${{10}^{-15}}s$ (4) Period of sound wave (iv) ${{10}^{-3}}s$
JEE Main Online Paper (Held On 19 April 2016)

A)
(1)-(i), (2)-(ii), (3)-(iii), (4)-(iv)

B)
(1)-(ii), (2)-(i), (3)-(iv), (4)-(iii)

C)
(1)-(i), (2)-(ii), (3)-(iv), (4)-(iii)

D)
(1)-(ii), (2)-(i), (3)-(iii), (4)-(iv)

The gravitational field in a region is given by $\overset{\to }{\mathop{g}}\,=5N/kg\hat{i}+12N/kg\hat{j}.$The change in the gravitational potential energy of a particle of mass 1 kg when it is taken from the origin to a point (7 m, ? 3 m) is:     JEE Main Online Paper (Held On 19 April 2016)

A)
71 J

B)
13 58 J

C)
71 J

D)
1 J

In an experiment for determining the gravitational acceleration g of a place with the help of a simple pendulum, the measured time period square is plotted against the string length of the pendulum in the figure. What is the value of g at the place?     JEE Main Online Paper (Held On 19 April 2016)

A)
$9.81m/{{s}^{2}}$

B)
$9.87m/{{s}^{2}}$

C)
$9.91m/{{s}^{2}}$

D)
$10.0m/{{s}^{2}}$