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Questions >> JEEMAIN and NEET >> NEET PAST PAPERS

NEET PAST PAPERS

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

Suppose the charge of a proton and an eleckon differ slightly. One of them is - e, the other is $(e + \Delta e)$ . If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d much greater than atomic size. apart is zero, then $\Delta_e$ is of the order of [Given mass of hydrogen $m_h= 1.67 \times 10^{27}\;kg]$

asked Oct 7, 2017 by meena.p

0 answers

The x and y coordinates of the particle at any time are $x= 5t - 2t^2$ and $y = 10t$ respectivelv, where r and y are in meters and t in seconds. The acceleration of the particle at $t = 2s$ is

asked Oct 7, 2017 by meena.p

1 answer

Figure shows a circuit that contains three identical resistors with resistance R=9.0 O each, two identical inductors with inductance L=2.0 mH each, and an ideal battery with emf e: 18 V. The current 'i' through the battery just after the switch closed is,.....

asked Oct 7, 2017 by meena.p

1 answer

One end of string of length I is connected to a particle of mass 'nf and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed 'u', the net force on the particle (directed towards center) will be ([ represents the tension in the string)

asked Oct 7, 2017 by meena.p

0 answers

The de - Brogile wave length of a neutron in thermal equilibrium with heavy water at a temperature T and mass m , is

asked Oct 7, 2017 by meena.p

0 answers

A 250 N turn rectangular coil of length $2.1\;cm$ and width $1.25\;cm$ carries a current of $85 \mu A$ and subjected to magnetic field of strength $0.85\;T$ Work done for rotating the coil by $180^{\circ}$ against the torque is :

asked Oct 7, 2017 by meena.p

0 answers

A U tube with both ends open to the atmosphere, is partially filled rvith u,ater. Oil, which is imeriscible with water, is poured into one side until itstands at a distance of 10 mtrr above the water level on the other side. Meanwhile the water rises by $65\; mm$ from its original level (see diagram). The density of the oil is :

asked Oct 7, 2017 by meena.p

0 answers

Radioactive material 'A' has decay constant $8 \lambda$ and material 'B' has decay constant $\lambda$ . Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be $\large\frac{1}{e}$ ?

asked Oct 7, 2017 by meena.p

0 answers

A gas mixture consists of 2 moles of O, and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the totalintemal energv of l.he system is :

asked Oct 7, 2017 by meena.p

0 answers

A potentiometer is an accurate and versatile device to make elechical measurements of E.M.F. because the method involves :

asked Oct 7, 2017 by meena.p

0 answers

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