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Recent questions tagged 1998

If $x = 3 - 4t^2 + t^3$, then work done in first $4s$ will be (Mass of the particle is 3 gram) :

asked Oct 8, 2017 by priyanka.c

1 answer

A circular ring of mass M and radius R is rotating about its axis with constant angular velocity $w$. Two particle each of mass $m$ are attached gently to the opposite ends of a diameter of the ting. The angular velocity of the ring will now become :

asked Oct 8, 2017 by priyanka.c

1 answer

For protecting a magnetic needle it should be placed :

asked Oct 8, 2017 by priyanka.c

0 answers

Two pendulum suspended from same point having length 2m and 0.5m. If they displaced slightly and released then they will be in same phase, when small pendulum will have completed?

asked Oct 8, 2017 by priyanka.c

1 answer

For a wave $y = y_0 \sin (wt - kx)$, for what value of $\lambda$ is the maximum particle velocity equal to two times the wave velocity :

asked Oct 8, 2017 by priyanka.c

1 answer

Following logic gate is :

asked Oct 8, 2017 by priyanka.c

1 answer

Following table is for which logic gate:

asked Oct 8, 2017 by priyanka.c

1 answer

A hollow sphere of radius 1m is given a positive charge of $10 \mu C$. The electric field at the centre of hollow sphere will be :

asked Oct 8, 2017 by priyanka.c

1 answer

Boron has two isotopes $_5B^{10}$ and $_5B^{11}$. If atomic weight of Boron is 100.81 then ratio of $_5B^{10}$ to $_5B^{11}$ in nature will be :

asked Oct 8, 2017 by priyanka.c

1 answer

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