Recent questions tagged neet

Geometrical isomers differ in : -

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are

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In the following reaction product 'P' is :

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n-propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent : -

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IUPAC name of the following is $CH_2$ = CH – $CH_2$ – $CH_2$ – C $\equiv$ CH

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Zn gives $H_2$ gas with $H_2SO_4$ & HCl but not with $HNO_3$ because :-

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Which of the following has $p_{\pi}$ – $d_{\pi}$ bonding

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Which of the following is iso-electronic : -

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An atom has electronic configuration An atom has electronic configuration $1s^ 2$ $2s^2$ $2p^6$ $3s^2$ $3p^6$ $3d^3$ $4s^2$ , you will place it in which group ?

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General electronic configuration of lanthanides is

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Which of the following order is wrong : -

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Which of the following statement is true : -

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In electrolysis of NaCl when Pt electrode is taken then $H_2$ is liberated at cathode while with Hg cathode it forms sodium amalgam : -

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Which reaction is not feasible : -

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2 mole of ideal gas at $27^{\circ}C$ temperature is expanded reversibly from 2 lit. to 20 lit. Find entropy change (R = 2 cal/mol K) : -

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In a closed insulated container a liquid is stirred with a paddle to increase the temperature which of the following is true : -

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Vander waal's real gas, act as a ideal gas, at which conditions : -

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Unit of entropy is : -

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Solution of 0.1N $NH_4 OH$ and 0.1N $NH_4Cl$ has pH 9.25, Then find out $PK_b$ of $NH_4OH$ : -

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Which has highest pH : -

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1 M and 2.5 litre NaOH solution mixed with another 0.5 M and 3 litre NaOH solution. Then find out molarity of resultant solution : -

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Solubility of $MX_2$ – type electrolytes is $0.5 \times 10^{–4}$ Mole/lit. then find out $K_{sp}$ of elctrolytes : -

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Reaction $BaO_2 (s) \rightleftharpoons BaO (s) + O_2(g)$; $\bigtriangleup H = + ve$. In equilibrium condition. Pressure of $O_2$ is depends on : -

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Which of the following are suitable for the fusion process : -

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Identical charges (–q) are placed at each corner of a cube of side 'b' then electrical potential energy of charge (+q) which is placed at centre of cube will be

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A capacitor of capacity $C_1$ charged upto V volt and then connected to an uncharged capacitor $C_2$. Then final P.D. across each will be

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To convert a galvanometer into a voltmeter one should connect a : -

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For a cell terminal P.D. is 2.2V when circuit is open and reduces to 1.8V when cell is connected to a resistance of R = 5$\Omega$. Determine internal resistance of cell (r) is then : -

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Some charge is being given to a conductor. Then its potential : -

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A wave travelling in positive X-direction with A = 0.2 m velocity = 360 m/s and $\lambda$ = 60 m, then correct expression for the wave is : -

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For a transistor $\frac{I_C}{I_E}$ = 0.96, then current gain for common emitter configuration : -

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If kinetic energy of a body is increased by 300% than percentage change in momentum will be

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A rod of length is 3m and its mass acting per unit length is driectly proportional to distance x from one of its end then its centre of gravity from th end will be at : -

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A particle (A) is droped from a height and another particle (B) is projected in horizontal direction with speed of 5 m/s from the same height then correct statement is : -

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A lift of mass 1000 Kg which is moving with acceleration of 1 $\frac{m}{s^2}$ in upward direction, then the tension developed in string which is connected to lift is : -

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Consider two rods of same length and different specific heats ($S_1$, $S_2$), conductivities ($K_1$, $K_2$) a area of cross-sections ($A_1$, $A_2$) and both having temperature $T_1$ and $T_2$ at their ends. If rate of lo of heat due to conduction is equal, then :-

asked Jul 23, 2018 by pady_1

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For a black body at temperature 727ºC, its radiating power is 60 watt and temperature of surrounding is 227ºC. If temperature of black body is changed to 1227ºC then its radiating power will be : -

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Which of the following is best close to an ideal black body : -

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The Wien's displacement law express relation between : -

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A bulb is located on a wall. Its image is to be obtained on a parallel wall with the help of convex lens. If the distance between parallel walls is 'd' then required focal length of lens placed in between the walls is : -

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Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them, which are situated at a distance of 50 meter from eye. The wavelength of light is 5000 Å :-

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The value of plank's constant is : -

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For the given incident ray as shown in figure, the condition of total internal reflection of this ray the minimum refractive index of prism will be : - 45Âº incident ray

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A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with : -

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When an oscillator completes 100 oscillation its amplitude reduced to $\frac{1}{3}$ of initial value. What will be its amplitude, when it completes 200 oscillation : -

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A mass is suspended separately by two different springs in successive order then time period is $t_1$ and $t_2$ respectively. If it is connected by both spring as shown in figure then time period is $t_0$, the correct relation is :

asked Jul 23, 2018 by pady_1

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Darwins theory of pangenesis shows similarity with theory of inheritance of acquired characters then what shall be correct according to it : -

asked Jul 20, 2018 by pady_1

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Occurence of endemic species in south america and Australia due to : -

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During regeneration, modification of an organ to other organ is known as : -

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