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Physics · 2023 · 13 Apr · Shift 1

28 questions from this JEE Main paper

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2023 · 13 Apr · Shift 1
Physics

Physics · 2023 · 13 Apr · Shift 1

28 questions from this JEE Main paper

Simple Harmonic Motion2 questions Center of Mass1 questions Gravitation1 questions Properties of Matter3 questions Geometrical Optics2 questions Dual Nature of Radiation1 questions Heat and Thermodynamics1 questions Magnetics1 questions Electrostatics2 questions Rotational Motion2 questions Atoms and Nuclei2 questions Motion in A Straight Line1 questions Electromagnetic Waves1 questions Current Electricity3 questions Electronic Devices1 questions Units and Measurements1 questions Work Power and Energy2 questions Alternating Current1 questions

Q45.Which graph represents the difference between total energy and potential energy of a particle executing SHM vs it's distance from mean position ?
Physics · Simple Harmonic Motion · MCQ
Q46.A bullet of $600 m / s$ leaves the barrel of gun with a velocity of $600 m / s$ . If the barrel of gun is $3 kg$ long and mass of gun is $3 kg$ , then value of impulse supplied to the gun will be :
Physics · Center of Mass · MCQ
Q47.A planet having mass $9 Me$ and radius $4 R_{e}$ , where $Me$ and $Re$ are mass and radius of earth respectively, has escape velocity in $km / s$ given by: (Given escape…
Physics · Gravitation · MCQ
Q48.The figure shows a liquid of given density flowing steadily in horizontal tube of varying cross - section. Cross sectional areas at $A$ is $1.5 cm^{2}$ , and $B$ is $25 mm^{2}$ , if the speed of liquid… Includes diagram
Physics · Properties of Matter · MCQ
Q49.A vessel of depth ' $d$ ' is half filled with oil of refractive index $n_{1}$ and the other half is filled with water of refractive index $n_{2}$ . The apparent depth of this vessel when viewed from above will be-
Physics · Geometrical Optics · MCQ
Q50.The difference between threshold wavelengths for two metal surfaces $A$ and $B$ having work function $ϕ_{A} = 9 eV$ and $ϕ_{B} = 4 \cdot 5 eV$ in $nm$ is: ${$ Given, hc $= 1242 eV nm}$ …
Physics · Dual Nature of Radiation · MCQ
Q51.The rms speed of oxygen molecule in a vessel at particular temperature is $(1 + \frac{5}{x})^{\frac{1}{2}} v$ , where $v$ is the average speed of the molecule. The value of $x$ will be: $($ Take $π = \frac{22}{7})$ …
Physics · Heat and Thermodynamics · MCQ
Q52.The source of time varying magnetic field may be (A) a permanent magnet (B) an electric field changing linearly with time (C) direct current (D) a decelerating charge particle (E) an antenna fed with a digital signal Choose the correct…
Physics · Magnetics · MCQ
Q53.Two charges each of magnitude $0.01 C$ and separated by a distance of $E$ constitute an electric dipole. If the dipole is placed in an uniform electric field ' $E$ ' of 10 dyne/C making $3 0^{\circ}$ angle with $E$ …
Physics · Electrostatics · MCQ
Q54.A disc is rolling without slipping on a surface. The radius of the disc is $R$ . At $t = 0$ , the top most point on the disc is $A$ as shown in figure. When the disc completes half of its rotation, the displacement of point A from its… Includes diagram
Physics · Rotational Motion · MCQ
Q55. $_{92}^{238} A \to_{90}^{234} B +_{2}^{4} D + Q$ In the given nuclear reaction, the approximate amount of energy released will be: [Given, mass of $_{92}^{238} A = 238.05079 \times 931.5 MeV / c^{2},$ mass of $_{90}^{234} B = 234 \cdot 04363 \times 931 \cdot 5 MeV / c^{2},$ …
Physics · Atoms and Nuclei · MCQ
Q56.Under isothermal condition, the pressure of a gas is given by $P = a V^{- 3}$ , where $a$ is a constant and $V$ is the volume of the gas. The bulk modulus at constant temperature is equal to
Physics · Properties of Matter · MCQ
Q57.Two trains 'A' and 'B' of length ' $l$ ' and ' $4 l$ ' are travelling into a tunnel of length ' $L$ ' in parallel tracks from opposite directions with velocities $108 km / h$ and $72 km / h$ ,…
Physics · Motion in A Straight Line · MCQ
Q58.Which of the following Maxwell's equation is valid for time varying conditions but not valid for static conditions :
Physics · Electromagnetic Waves · MCQ
Q59.Different combination of 3 resistors of equal resistance $R$ are shown in the figures. The increasing order for power dissipation is: Includes diagram
Physics · Current Electricity · MCQ
Q60.For the following circuit and given inputs A and B, choose the correct option for output ' $Y$ ' Includes diagram
Physics · Electronic Devices · MCQ
Q61.A body of mass $(5 \pm 0.5) kg$ is moving with a velocity of $(20 \pm 0.4) m / s$ . Its kinetic energy will be
Physics · Units and Measurements · MCQ
Q62.The ratio of powers of two motors is $\frac{3 x}{x + 1}$ , that are capable of raising $50 kg$ water in 5 minutes and $100 m$ water in 2 minutes respectively from a well of $100 m$ deep. The value…
Physics · Work Power and Energy · MCQ
Q63.Two bodies are having kinetic energies in the ratio 16 : 9. If they have same linear momentum, the ratio of their masses respectively is :
Physics · Work Power and Energy · MCQ
Q64.When a resistance of $5 Ω$ is shunted with a moving coil galvanometer, it shows a full scale deflection for a current of $1050 Ω$ , however when $1050 Ω$ resistance is connected with it in series, it gives full scale…
Physics · Current Electricity · Numerical
Q65.A fish rising vertically upward with a uniform velocity of $8 ms^{- 1}$ , observes that a bird is diving vertically downward towards the fish with the velocity of $12 ms^{- 1}$ . If the refractive index of water is $\frac{4}{3}$ …
Physics · Geometrical Optics · Numerical
Q66.The radius of $2^{nd}$ orbit of $He^{+}$ of Bohr's model is $r_{1}$ and that of fourth orbit of $Be^{3 +}$ is represented as $r_{2}$ . Now the ratio $\frac{r _{2}}{r _{1}}$ is $x : 1$ . The value of $x$ is …
Physics · Atoms and Nuclei · Numerical
Q67.A potential $V_{0}$ is applied across a uniform wire of resistance $R$ . The power dissipation is $P_{1}$ . The wire is then cut into two equal halves and a potential of $V_{0}$ is applied across the length of each half. The total…
Physics · Current Electricity · Numerical
Q68.In the given figure, an inductor and a resistor are connected in series with a battery of emf E volt. $\frac{E ^{a}}{2 b} J / s$ represents the maximum rate at which the energy is stored in the magnetic field (inductor). The… Includes diagram
Physics · Alternating Current · Numerical
Q69.At a given point of time the value of displacement of a simple harmonic oscillator is given as $y = A cos (3 0^{\circ})$ . If amplitude is $200 J$ and kinetic energy at that time is $200 J$ ,…
Physics · Simple Harmonic Motion · Numerical
Q70.A thin infinite sheet charge and an infinite line charge of respective charge densities $+ σ$ and $+ λ$ are placed parallel at $\frac{3}{π}$ distance from each other. Points 'P' and 'Q' are at $\frac{3}{π}$ m and $\frac{4}{π}$ …
Physics · Electrostatics · Numerical
Q71.A solid sphere is rolling on a horizontal plane without slipping. If the ratio of angular momentum about axis of rotation of the sphere to the total energy of moving sphere is $π : 22$ then, the value of its angular speed will be …
Physics · Rotational Motion · Numerical
Q72.The elastic potential energy stored in a steel wire of length $2 cm$ stretched through $80 J$ is $mm^{2}$ . The cross sectional area of the wire is $mm^{2}$ . $($ …
Physics · Properties of Matter · Numerical