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JIPMER Full Mock Test - 4 - NEET MCQ


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200 Questions MCQ Test JIPMER: Subject wise Tests & Practice Mock Tests - JIPMER Full Mock Test - 4

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JIPMER Full Mock Test - 4 - Question 1

Voltage and current in an A.C. circuit are given by V = 5 sin(100πt - π/6) and I = 4sin(100πt + π/6)

JIPMER Full Mock Test - 4 - Question 2

An electron remains undeflected when passing perpendicular to mutually perpendicular electric and magnetic fields. If the magnetic field is 8 Gauss and elecric field is 4000 V/m, the velocity of the electron is

JIPMER Full Mock Test - 4 - Question 3

A parallel plate capacitor of plate area A and the plate separation d is charged to potential difference V and then the battery is disconnected. A slab of dielectric constant K is then inserted between the plates of the capacitor so as to fill the space between the plates. If Q, E and W denote respectively, the magnitude of charge on each plate, the electric field between the plates and work done by the system in question, in the process of inserting the slab, then select the incorrect relation from the following :

JIPMER Full Mock Test - 4 - Question 4

The average acceleration vector for a particle having a uniform circular motion is

JIPMER Full Mock Test - 4 - Question 5

Which of the following radiations have the least wavelength?

JIPMER Full Mock Test - 4 - Question 6

The length of a wire of a potentiometer is 100 cm, and the e.m.f. of its standard cell is E volt. It is employed to measure the e.m.f. of a battery, whose internal resistance is 0.5 Ω. If the balance point is obtained at l = 30 cm from the positive end, the e.m.f. of the battery is

JIPMER Full Mock Test - 4 - Question 7

In a circuit, n identical bulbs, each of power 'P' are joined in series across a power supply. The total power drawn by the bulbs is

JIPMER Full Mock Test - 4 - Question 8

A 12 Ω resistor and a 0.21 henry inductor are connected in series to an AC source operating at 20 volt, 50 cycle. The phase angle between the current and the source voltage is

JIPMER Full Mock Test - 4 - Question 9

A 220 V, 1000 watt bulb is connected across a 110 V mains supply. The power consumed will be

JIPMER Full Mock Test - 4 - Question 10

An infinite long plate has surface charge density σ . As shown in the figure a point charge q is moved from A to B. Net work done by electric field is:

JIPMER Full Mock Test - 4 - Question 11

A parallel plate air condenser has certain capacity. When 2/3 of the distance between the plates is filled with a dielectric, the capacity is found to increase by a factor of 2.25. The dielectric constant is

Detailed Solution for JIPMER Full Mock Test - 4 - Question 11

JIPMER Full Mock Test - 4 - Question 12

A brick of mass 2 kg beings to slide down on a plane inclined at an angle of 45º with the horizontal. The force of friction will be

JIPMER Full Mock Test - 4 - Question 13

If acceleration due to gravity on the earth's surface is g, then value of acceleration due to gravity at a height of 32 km above the earth's surface is

JIPMER Full Mock Test - 4 - Question 14

Two particles of eqaul mass go round a circle of radius R under the action of their mutual gravitational attration. The speed of each particle is

JIPMER Full Mock Test - 4 - Question 15

Mud houses are cooler in summer and warmer in winter because

JIPMER Full Mock Test - 4 - Question 16

In two separate setups of the Young's double slit experiment, fringe of equal width are observed when lights of wavelengths in the ratio 1:2 are used. If the ratio of the slit separation in two cases is 2:1, the ratio of distances, between the plane of slits and the screen, in the two setups is

JIPMER Full Mock Test - 4 - Question 17

Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will

JIPMER Full Mock Test - 4 - Question 18

An electrical meter of internal resistance 20 Ω gives a full scale deflection when one milliampere current flows through it. The maximum current, that can be measured by using three resistors of resistance 12 Ω each, in milliamperes is

JIPMER Full Mock Test - 4 - Question 19

The magnetic field of given length of wire for single turn coil at its centre is B, then its value for two turns coil for the same wire is

JIPMER Full Mock Test - 4 - Question 20

Cathode rays and canal rays produced in a certain discharge tube are deflected in the same direction, if

Detailed Solution for JIPMER Full Mock Test - 4 - Question 20

In discharge tube cathode rays (a beam of negative particles ) and canal rays (positive rays) moves opposite to each other.
They will experience a magnetic force in the same direction, if a normal magnetic field is switched on.

JIPMER Full Mock Test - 4 - Question 21

The null points are on the axial line of a bar magnet, when it is placed such that its south pole points

JIPMER Full Mock Test - 4 - Question 22

The material for which susceptibility remains constant for small values of magnetising field, increases for large values and then decreases for very large values is

JIPMER Full Mock Test - 4 - Question 23

A magnetised wire of magnetic moment M is bent into an arc of a circle that subtend and an angle of 60º at the centre. The equivalent magnetic moment is

JIPMER Full Mock Test - 4 - Question 24

An air bubble of radius 10 mm is rising at a steady rate of 8 mm-s⁻1 through a liquid of density 1.47x103 kg-m⁻3. Neglecting density of air, the coefficient of viscosity of the liquid is (Take g = 9.8 m-s2)

JIPMER Full Mock Test - 4 - Question 25

In a liquid flowing through a pipe, the pressure difference between its ends is made half and radius is doubled. If the initial rate of flow of liquid was Q, then new rate of flow of liquid through the pipe is

JIPMER Full Mock Test - 4 - Question 26

Two wires of the same material and length, but diameters in the ratio 1 : 2 are stretched by the same force. The elastic potential energy stored per unit volume for the two wires when stretched, will be in the ratio of

Detailed Solution for JIPMER Full Mock Test - 4 - Question 26

JIPMER Full Mock Test - 4 - Question 27

A constant torque of 1000 N-m turns a wheel of moment of inertia 200 kg-m2 about an axis through its centre. Its angular velocity after 3 sec is

JIPMER Full Mock Test - 4 - Question 28

A man is at rest in the middle of a pond on perfectly smooth ice. He can get himself to the shore by making use of Newton's

JIPMER Full Mock Test - 4 - Question 29

A constant acts on a body of mass 0.9 kg at rest for 10 s. If the body moves a distance of 250 m, the magnitude of the force is

JIPMER Full Mock Test - 4 - Question 30

Two lithium nuclei in a lithium vapour at room temperature do not combine to form a carbon nucleus because

JIPMER Full Mock Test - 4 - Question 31

Why high temperature is required for fusion reaction?

JIPMER Full Mock Test - 4 - Question 32

The magnifying power of a telescope is 'm'. If the focal length of the eye piece is doubled, then its magnifying power will become

JIPMER Full Mock Test - 4 - Question 33

If the metal bob of a simple pendulum is replaced by a wooden bob, then its time period will

JIPMER Full Mock Test - 4 - Question 34

The electrons are emitted in the photoelectric effect from a metal surface

JIPMER Full Mock Test - 4 - Question 35

For photoelectric emission to take place

JIPMER Full Mock Test - 4 - Question 36

Two projectiles are fired from the same point with the same speed at angles of projection 60º and 30º respectively. Which one of the following is true?

JIPMER Full Mock Test - 4 - Question 37

In order to increase the angular magnification of a simple microscope, one should increase

JIPMER Full Mock Test - 4 - Question 38

If the dispersive power of a lens material of focal length 20 cm is 0.08, then longitudinal chromatic aberration of the lens is

JIPMER Full Mock Test - 4 - Question 39

A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an inverted image of the object coincident with it ?

JIPMER Full Mock Test - 4 - Question 40

The apparent depth of water in cylindrical tank of diameter 2R is reducing at the rate of x per min, when water is being drained at a constant rate. The amount of water drained per min is (μ₁ = Refractive index of air; μ₂=Refractive index of water)

JIPMER Full Mock Test - 4 - Question 41

When a sphere of moment of inertia I about its centre of gravity and mass 'm' rolls from rest down an inclined plane without slipping, its kinetic energy is

JIPMER Full Mock Test - 4 - Question 42

A particle is moving in a circle with uniform speed. Its motion is

JIPMER Full Mock Test - 4 - Question 43

The kinetic energy and potential energy of a particle executing simple harmonic motion will be equal, when displacement (amplitude = a) is

JIPMER Full Mock Test - 4 - Question 44

The bond that exists in a semiconductor is

JIPMER Full Mock Test - 4 - Question 45

Semiconductor is damaged by the strong current due to

JIPMER Full Mock Test - 4 - Question 46

A string of a musical instrument is 50 cm long and fundamental frequency is 270 Hz. If the desired frequency of 1000Hz is to be produced, the required string length is

JIPMER Full Mock Test - 4 - Question 47

A square frame of side L is dipped in a liquid. On taking out, a membrane is formed.If the surface tension of the liquid is T, the force acting on the frame will be

JIPMER Full Mock Test - 4 - Question 48

Heat produced in a conductor of resistance R, when a current of I amperes flows through it for t seconds, is given by

JIPMER Full Mock Test - 4 - Question 49

A current of 2 A passing through conductor produces 80 J of heat in 10 seconds. The resistance of the conductor is

JIPMER Full Mock Test - 4 - Question 50

Two identical wires of resistance R are first connected in series and then in parallel. The amount of heat produced in both the conditions are in the ratio of

Detailed Solution for JIPMER Full Mock Test - 4 - Question 50

JIPMER Full Mock Test - 4 - Question 51

A cylinder contained 10 kg of gas at 107 N/m2. The quantity of gas taken out of cylinder if final pressure is 2.5 x 106N ∕ m2 is (temp. is constant)

JIPMER Full Mock Test - 4 - Question 52

If Q,E and W denote respectively the heat added, change in internal energy and the work done in a closed cycle process, then

JIPMER Full Mock Test - 4 - Question 53

The adiabatic Bulk modulus of a perfect gas at pressure P is given by

JIPMER Full Mock Test - 4 - Question 54

Which of the following pair is wrongly matched?

JIPMER Full Mock Test - 4 - Question 55

The dimensional formula for impulse is​

JIPMER Full Mock Test - 4 - Question 56

When light wave suffer reflection at the interface between air and glass, the change of phase of reflected wave is equal to

JIPMER Full Mock Test - 4 - Question 57

Tube A has both ends open, while tube B has one end closed, otherwise they are identical. The ratio of fundamental frequency of tube A and B is

JIPMER Full Mock Test - 4 - Question 58

Who was the first to demonstrate the phenomenon of interference of light?

JIPMER Full Mock Test - 4 - Question 59

A source of sound and listener are approaching each other with a speed of 40 m/s. The apparent frequency of note produced by the source is 400 CPS. Then, its true frequency (in CPS) is (velocity of sound in air = 360 m/s)

JIPMER Full Mock Test - 4 - Question 60

The potential energy of a body given by : A - Bx2. The magnitude of force acting on the particle is

JIPMER Full Mock Test - 4 - Question 61

Hydrolysis of NCl3 gives NH3 and x. Which of the following is x ?

JIPMER Full Mock Test - 4 - Question 62

The reagent used for converting acetylene to oxalic acid is

JIPMER Full Mock Test - 4 - Question 63

Which of the following with aqueous KOH will give acetaldehyde ?

JIPMER Full Mock Test - 4 - Question 64

Acetylene gives

JIPMER Full Mock Test - 4 - Question 65

In its reaction with silver nitrate acetylene shows

JIPMER Full Mock Test - 4 - Question 66

According to which of the following rule, nitrogen atom, has three unpaired electrons?

JIPMER Full Mock Test - 4 - Question 67

Which of the following is not precipitated as sulphide by passing H₂S in the presence of conc. HCl?

JIPMER Full Mock Test - 4 - Question 68

An electron has a apin quantum number + 1/2 and a magnetic quantum number -1. It cannot be present in

JIPMER Full Mock Test - 4 - Question 69

Which of the following orbitals have a dumb bell shape?

JIPMER Full Mock Test - 4 - Question 70

Which of the following alkyl group has the maximum + I effect?

JIPMER Full Mock Test - 4 - Question 71

Among the following the electron deficient compound is

JIPMER Full Mock Test - 4 - Question 72

Element X of group V-A combines with element Y of group VI-A. The probable formula of the compound is

JIPMER Full Mock Test - 4 - Question 73

The enthalpy of combustion of C(graphite ) and C (diamond) are -393.5 and -395.4 KJ mol⁻1 respectively .The enthalpy of conversion of C(graphite) to C (diamond) in KJ mol⁻1 is

JIPMER Full Mock Test - 4 - Question 74

1 mole of N₂ and 2 moles of H₂ are allowed to react in a 1 dm3 vessel. At equilibrium 0.8 mole of NH₃ is formed. The concentration of H₂ in the vessel is

JIPMER Full Mock Test - 4 - Question 75

A foreign substance, that increases the rate of reaction, is called

JIPMER Full Mock Test - 4 - Question 76

Given the bond energies of N ≡ N , H − H and N − H bonds as 941.5, 433 and 391 kJ mole-1 respectively, the enthalpy of reaction N2(g) + 3H2g → 2NH3(g)  is

Detailed Solution for JIPMER Full Mock Test - 4 - Question 76

Enthalpy of reaction = ∑ bond energyreactant - ∑ bond energyproduct
= bond energy (n2) + 3 x (bond energy) (h2) - 2 x (bond energy) (NH3)
= 941.5 + (3 x 433) - 2 x 3 x 391
= 2240.5 - 2346 = 105.4 ≅ -105kJ

JIPMER Full Mock Test - 4 - Question 77

Mechanical work is specially important in systems that contain

JIPMER Full Mock Test - 4 - Question 78

Medicine which is an antibiotic is

JIPMER Full Mock Test - 4 - Question 79

Which is the most stable carbocation ?

JIPMER Full Mock Test - 4 - Question 80

Which one of the following elements has the highest first ionisation potential

Detailed Solution for JIPMER Full Mock Test - 4 - Question 80

As we move across a period from left to right, the nuclear charge increases and the atomic radius decreases though the principal quantum number of the valence shell remains the same. As a result, the valence electrons are more are more tightly held by the nucleus, hence ionisation potential keep on increasing. However, N show extra-stability of the exactly half-filled electronic configuration, hence show higher ionisation potential than oxygen.
Electronic configuration of N:

JIPMER Full Mock Test - 4 - Question 81

The oxidation state of Fe in brown complex [Fe(H₂O)₅NO]SO₄ is

JIPMER Full Mock Test - 4 - Question 82

H₂O₂ is

JIPMER Full Mock Test - 4 - Question 83

Which one of the following reactions is an example for calcination process?

JIPMER Full Mock Test - 4 - Question 84

If the four tubes of a car are filled to the same pressure with N₂,O₂,H₂ and Ne separately, then which one will be filled first ?

JIPMER Full Mock Test - 4 - Question 85

Density ratio of O₂ and H₂ is 16 : 1. The ratio of its V rms is

JIPMER Full Mock Test - 4 - Question 86

In electrolysis of NaCl when Pt electrode is taken then H2 is liberated at cathode while with Hg cathode it forms sodium amalgam. The reason for this is

Detailed Solution for JIPMER Full Mock Test - 4 - Question 86

In electrolysis of NaCl when Pt electrode is taken then H2 liberated at cathode while with Hg cathode it forms sodium amalgam because more voltage is required to reduce H+ at Hg than Pt

JIPMER Full Mock Test - 4 - Question 87

Action pf caustic soda on aluminium hydroxide gives a compound having formula

JIPMER Full Mock Test - 4 - Question 88

When oxalic acid is dehydrated by conc. H₂SO₄, then it forms

JIPMER Full Mock Test - 4 - Question 89

The oxidation number of S in H₂S₂O₈ is

JIPMER Full Mock Test - 4 - Question 90

The alcohol manufactured from water gas is

JIPMER Full Mock Test - 4 - Question 91

Which has the highest molar heat of vapourization?

JIPMER Full Mock Test - 4 - Question 92

The decreasing order of second ionization potential K, Ca and Ba is

JIPMER Full Mock Test - 4 - Question 93

It is found that 0.1 m solution of four sodium salts NaA,NaB and NaD have the following pH values :
Which one of the corresponding acids is strongest ?

JIPMER Full Mock Test - 4 - Question 94

Which of the following will show geometrical isomerism?