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$In the circuit here, the steady state voltage across capacitor C is a fraction of the battery$

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Infinity Vision | JEE & NEET - Q & A

Infinity Vision | JEE & NEET - Q & A

FAST | Fibonacci Admission cum Scholarship Test | Mar 19 | Free Registration | scholarship upto 100%

By what factor does the average velocity of a gaseous molecule (in kelvin) is doubled?

Two gases A and B having the same volume diffuse through a porous partition in 20 and 10s

A gaseous mixture was prepared by taking equal moles of CO and N2. If the total pressure of the

50 mL of each gas A and of gas B takes 150 and 200 s respectively for effusing through a pin hole

The domain of the function

The domain of the definition of the function

The inverse function of

If g(x) = x2 + x -1 and (gof)(x) = 4x2 – 10x + 5, then f (𝟓/𝟒) is equal to

The inverse of y = 5 logx is

The value of the integral, where [x] denotes the greatest integer less than or equal to x, is:

The probability that two randomly selected subsets of the set {1,2,3,4,5} have exactly two elements

A possible value of 𝐭𝐚𝐧(𝟏/𝟒 〖𝒔𝒊𝒏〗^(−𝟏) √𝟔𝟑/𝟖) is:

Let f be a twice differentiable function defined on R such that f (0) = 1, f’ (0) = 2 and

Which of the following potential energy (PE) diagrams represents the SN 1 reaction?

The major product ′Y ′in the following reaction is:

Which of the following is likely to give a precipitate with AgNO3​ solution?

Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X

The major product in the following conversion is

The major product of the following reaction is

The increasing order of reactivity of the following halides for the SN1 reaction

2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields

A 6 volt battery is connected to the terminals of a three metre long wire of uniform thickness and

The electric resistance of a certain wire of iron is R. If its length and radius are both doubled

A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific

If flow of 10 to the power 7 electrons per second in a conducting wire constitutes a current of

The resistance if a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length

A wire of resistance 4 ohm is stretched to twice its original length. The resistance of stretched

The acceleration displacement graph of a particle executing simple harmonic motion is shown in

Two particles undergo SHM along parallel lines with the same time period (T) and equal amplitudes.

In the figure all springs are identical having spring constant k each. The block also has mass m.

The spring block system as shown in figure is in equilibrium. The string connecting blocks A and B

A horizontal spring-block system of mass 2 kg executes S.H.M. When the block is passing through

A solid sphere of mass M and radius r slips on a rough horizontal plane. At some instant it

A car moves with speed v on a horizontal circular track of radius R. A head-on view of the car

A cylinder is rolling without sliding over two horizontal planks (surface) 1 and 2.If the velocities

Two identical discs of mass m and radius r are arranged as shown in the figure.

A uniform pole of length L and mass M is pivoted on the ground with a frictionless hinge O.

Differential Equations

Let the plane ax + by + cz + d = 0 bisect the line joining the points (4, -3, 1) and (2, 3, -5) at

The mean age of 25 teachers in a school is 40 years. A teacher retires at the age of 60 years

The missing value in the following figure is ----------.

Let z1 , z2 be the roots of the equation z2 + az + 12 = 0 and z1 , z2 form an equilateral triangle

The real function f(x) = (〖𝒄𝒐𝒔𝒆𝒄〗^(−𝟏) 𝒙)/√(𝒙−[𝒙] ) where [x] denotes the greatest integer

A vector 𝒂 ⃗ has components 3p and 1 with respect to a rectangular Cartesian system. This system

For the four circles M,N, O and P, following four equations are given

Matrices

If the equation a|z|2 + ¯(¯𝜶 𝒛+𝜶¯𝒛)+𝒅=𝟎 represents a circle where a, d are real constants, then

In the experiment of Wheatstone’s bridge, the positions of cells and galvanometer are interchanged,

In the diagram shown, the reading of voltmeter is 20V and that of ammeter is 4A. The value of

An infinitely long straight conductor is bent into the shape as shown in the figure. It carries a

A straight section PQ of a circuit lies along the X-axis from x = − 𝒂/𝟐 to x = 𝒂/𝟐 and carries a

A solenoid of 1.5 metre length and 4.0 cm diameter possess 10 turn per cm. A current of 5 ampere

In an ideal metre-bridge, the balancing length form the left end when standard resistance of 1Ω

The magnitude of the magnetic field (in μT) at the center of an equilateral triangular loop of side

A particle having the same charge as of electron moves in a circular path of radius 0.5 cm under

A potentiometer is used for the comparison of e.m.f. of two cells E1 and E2. For cell E1 the no

A Daniel cell is balanced on 125cm length of a potentiometer wire. Now the cell is short-circuited

A light bulb, a capacitor and a battery are connected together as shown here, with switch S

In the circuit here, the steady state voltage across capacitor C is a fraction of the battery

In the figure below, what is the potential difference between the point A and B and between B and C

An ammeter of 5 ohm resistance can read 5 mA. If it is to be used to read 100 volts, how much

A charged particle moves through a magnetic field perpendicular to its direction. Then

A loop of flexible conducting wire of length l lies in magnetic field B which is normal to the plane

Three long, straight and parallel wires are arranged as shown in figure. The force experienced by 1

A rectangular loop carrying a current I is situated near a long straight wire that the wire is

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform

Which of the following reactions is the metal displacement reaction ? Choose the right option.

A particular station of All India Radio, New Delhi, broadcasts on a frequency of 1,368 kHz

Which one of the following polymers is prepared by addition polymerisation?

The compound which shows metamerism is :

Which one of the following methods can be used to obtain highly pure metal which is liquid at room

The structures of beryllium chloride in solid state and vapour phase, are :

Choose the correct option for graphical representation of Boyle’s law, which shows a graph of

Ethylene diaminetetraacetate (EDTA) ion is :

The right option for the statement ''Tyndall effect is exhibited by'', is :

The pKb of dimethylamine and pKa of acetic acid are 3.27 and 4.77 respectively at T(K)

Which of the following is likely to give a precipitate with AgNO3 solution?