NEET Mock Test-2 Questions
Among the following species, select the diamagnetic molecule:
Three aqueous solutions of KCl are labelled A, B and C with concentrations 0.2 M, 0.02 M and 0.002 M respectively. The van’t Hoff factor follows:
Given below are two statements: Assertion A: In aqueous solution, Fe2+ is reducing while Fe3+ is oxidising in nature. Reason R: Half-filled and fully filled subshells are relatively more stable than partially filled subshells.
One of the commonly used reference electrodes is calomel electrode. It belongs to:
Calculate wavelength for the 3rd line of Balmer series of He+ ion.
The pair in which both species have the same magnetic moment (spin-only value) is:
Which amongst the following reactions of alkyl halides produces isonitrile as a major product?
Which of the following will not give tests for all the ions present in its aqueous solution?
2Mg2+ + NH4+ + HPO4^2– → compound X is:
Which of the following oxides is basic in nature?
Among the following species, select the diamagnetic molecule:
Three aqueous solutions of KCl are labelled A, B and C with concentrations 0.2 M, 0.02 M and 0.002 M respectively. The van’t Hoff factor follows:
Given below are two statements: Assertion A: In aqueous solution, Fe2+ is reducing while Fe3+ is oxidising in nature. Reason R: Half-filled and fully filled subshells are relatively more stable than partially filled subshells.
One of the commonly used reference electrodes is calomel electrode. It belongs to:
Calculate wavelength for the 3rd line of Balmer series of He+ ion.
The pair in which both species have the same magnetic moment (spin-only value) is:
Which amongst the following reactions of alkyl halides produces isonitrile as a major product?
Which of the following will not give tests for all the ions present in its aqueous solution?
2Mg2+ + NH4+ + HPO4^2– → compound X is:
The number of moles of hydrogen molecules required to produce 12 moles of ammonia through Haber’s process is:
Which of the following is correctly matched?
The molecular formula of second homologue in the homologous series of monocarboxylic acids is:
For the reaction, rate is expressed as: Rate = k1[(CH3)2CHCl] + k2[(CH3)2CHCl][OH–] (CH3)2CH–Cl + NaOH → (CH3)2CH–OH
The potential difference across a conductor is:
A wave transfers:
The resistance of a conductor increases with:
The unit of electric flux is:
A transformer works on the principle of:
The power of a lens is +2 D. Its focal length is:
A convex lens forms a real image of an object. If the object is moved closer to the lens, the image:
In Young’s double slit experiment, if the wavelength of light is doubled, the fringe width becomes:
The binding energy per nucleon is maximum for:
The ratio of the radii of two circular coils having the same number of turns and carrying the same current, such that the magnetic field at the center is the same, is:
The drift velocity of electrons in a conductor is v. If the electric field is doubled, the drift velocity becomes:
The half-life of a radioactive substance is T. The time taken for its activity to reduce to 1/8 of its initial value is:
A prism of refractive index μ has a small angle A. A ray passes through it. The angle of deviation is:
A gas undergoes a cyclic process as shown in the PV diagram. The net work done by the gas during one complete cycle is:
A liquid is filled in a container up to a height h. The density of the liquid varies with depth y (measured from the surface) as ρ = ρ₀(1 + ky). The pressure at the bottom of the container is:
A ball of mass m is released from the top of a smooth inclined plane of height h and length l. It strikes a rigid surface elastically at a distance of 3l/4 from the top as shown. The impulse imparted to the ball by the rigid surface is:
A small repair tool is "dropped" (released gently without any additional push) from a satellite that is in a stable circular orbit around the Earth. Neglecting air resistance at that altitude, what will happen to the tool?
A cube has a side of 3 cm. Point charges are kept at each corner as shown in the diagram. Find the interaction electrostatic potential energy of the system (in Joules) when q = 10 μC.
A rod of length l is moving in a uniform magnetic field B (pointing into the page). The bottom-most point has a velocity v and the top-most point has a velocity 2v. The emf induced across the endpoints of the rod is:
Symbolic representations of four logic gates are shown below. Pick out which ones represent AND, NAND, and NOT gates, respectively:
A body of mass 0.01 kg executes simple harmonic motion (SHM) about x = 0 under the influence of a restoring force as shown in the force-displacement (F vs x) graph. The time period of the SHM is nearly:
The energy gap for a specific transition in a semiconductor is 3.1 eV. Using hc = 1240 eV-nm, the maximum wavelength of light capable of inducing this transition is:
One mole of a diatomic gas is contained in a vessel. If 50% of the gas dissociates into individual atoms, the new average degree of freedom of the mixture will be nearest to: (neglect vibrational modes)
A tuning fork A of frequency 300 Hz produces 5 beats per second with tuning fork B. When fork B is loaded with a small piece of wax, the beat frequency decreases to 2 beats per second. The original frequency of fork B was:
A travelling wave is described by the equation y = sin 5π(100t − 0.5x), where x and y are in meters and t is in seconds. The frequency of the wave is:
A particle executes simple harmonic motion (SHM) with amplitude A. Let t₁ be the time taken to travel from the mean position (x = 0) to x = A/2, and t₂ be the time taken to travel from x = A/2 to the extreme position (x = A). The correct relation bet
A particle initially located at coordinates (2, 5) m starts from rest with a constant acceleration of a = 6j m/s². Its position coordinates after 2 seconds will be: