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Physics · 2022 · 25 Jul · Shift 1

28 questions from this JEE Main paper

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2022 · 25 Jul · Shift 1
Physics

Physics · 2022 · 25 Jul · Shift 1

28 questions from this JEE Main paper

Units and Measurements1 questions Current Electricity3 questions Circular Motion1 questions Work Power and Energy1 questions Rotational Motion1 questions Gravitation1 questions Heat and Thermodynamics3 questions Simple Harmonic Motion1 questions Capacitor1 questions Magnetics1 questions Alternating Current1 questions Electromagnetic Induction1 questions Electromagnetic Waves1 questions Geometrical Optics2 questions Dual Nature of Radiation1 questions Atoms and Nuclei2 questions Electronic Devices2 questions Motion in A Straight Line1 questions Laws of Motion1 questions Properties of Matter1 questions Electrostatics1 questions

Q41.If momentum [P], area $[A]$ and time $[T]$ are taken as fundamental quantities, then the dimensional formula for coefficient of viscosity is :
Physics · Units and Measurements · MCQ
Q42.Which of the following physical quantities have the same dimensions?
Physics · Current Electricity · MCQ
Q43.A person moved from A to B on a circular path as shown in figure. If the distance travelled by him is $60 m$ , then the magnitude of displacement would be : (Given $cos 13 5^{\circ} = - 0.7)$ Includes diagram
Physics · Circular Motion · MCQ
Q44.A body of mass $0.5 kg$ travels on straight line path with velocity $v = (3 x^{2} + 4) m / s$ . The net workdone by the force during its displacement from $x = 0$ to $x = 2 m$ is :
Physics · Work Power and Energy · MCQ
Q45.A solid cylinder and a solid sphere, having same mass $M$ and radius $R$ , roll down the same inclined plane from top without slipping. They start from rest. The ratio of velocity of the solid cylinder to that of the solid sphere, with…
Physics · Rotational Motion · MCQ
Q46.Three identical particles $A, B$ and $C$ of mass $100 kg$ each are placed in a straight line with $AB = BC = 13 m$ . The gravitational force on a fourth particle $P$ of…
Physics · Gravitation · MCQ
Q47.A certain amount of gas of volume $V$ at $2 7^{\circ} C$ temperature and pressure $2 \times 1 0^{7} Nm^{- 2}$ expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets…
Physics · Heat and Thermodynamics · MCQ
Q48.Following statements are given : (A) The average kinetic energy of a gas molecule decreases when the temperature is reduced. (B) The average kinetic energy of a gas molecule increases with increase in pressure at constant temperature. (C)…
Physics · Heat and Thermodynamics · MCQ
Q49.In figure $(A)$ , mass ' $2 m^{’}$ is fixed on mass ' $m$ ' which is attached to two springs of spring constant $k$ . In figure (B), mass ' $m$ ' is attached to two springs of spring constant… Includes diagram
Physics · Simple Harmonic Motion · MCQ
Q50.A condenser of $2 μ F$ capacitance is charged steadily from 0 to $5 C$ . Which of the following graph represents correctly the variation of potential difference $(V)$ across it's plates with respect to the…
Physics · Capacitor · MCQ
Q51.Two charged particles, having same kinetic energy, are allowed to pass through a uniform magnetic field perpendicular to the direction of motion. If the ratio of radii of their circular paths is $6 : 5$ and their respective masses ratio is $9 : 4$ …
Physics · Magnetics · MCQ
Q52.To increase the resonant frequency in series LCR circuit,
Physics · Alternating Current · MCQ
Q53.A small square loop of wire of side $l$ is placed inside a large square loop of wire $L (L >> l)$ . Both loops are coplanar and their centres coincide at point $O$ as shown in figure. The mutual inductance of… Includes diagram
Physics · Electromagnetic Induction · MCQ
Q54.The rms value of conduction current in a parallel plate capacitor is $6.9 μ A$ . The capacity of this capacitor, if it is connected to $230 V$ ac supply with an angular frequency of $600 rad / s$ ,…
Physics · Electromagnetic Waves · MCQ
Q55.Which of the following statement is correct?
Physics · Geometrical Optics · MCQ
Q56.Time taken by light to travel in two different materials $A$ and $B$ of refractive indices $μ_{A}$ and $μ_{B}$ of same thickness is $t_{1}$ and $t_{2}$ respectively. If $t_{2} - t_{1} = 5 \times 1 0^{- 10}$ s and the ratio of $μ_{A}$ to $μ_{B}$ …
Physics · Geometrical Optics · MCQ
Q57.A metal exposed to light of wavelength $800 nm$ and and emits photoelectrons with a certain kinetic energy. The maximum kinetic energy of photo-electron doubles when light of wavelength $500 nm$ is used. The…
Physics · Dual Nature of Radiation · MCQ
Q58.The momentum of an electron revolving in $n^{th}$ orbit is given by : (Symbols have their usual meanings)
Physics · Atoms and Nuclei · MCQ
Q59.The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by :
Physics · Atoms and Nuclei · MCQ
Q60.In the circuit, the logical value of $A = 1$ or $B = 1$ when potential at $A$ or $B$ is $5 V$ and the logical value of $A = 0$ or $B = 0$ when potential at $A$ or $B$ is $0 V$ . The truth table of the given circuit will be : Includes diagram
Physics · Electronic Devices · MCQ
Q61.A car is moving with speed of $150 km / h$ and after applying the break it will move $27 m$ before it stops. If the same car is moving with a speed of one third the reported speed then it will stop after…
Physics · Motion in A Straight Line · Numerical
Q62.Four forces are acting at a point $P$ in equilibrium as shown in figure. The ratio of force $F_{1}$ to $F_{2}$ is $1 : x$ where $x =$ . Includes diagram
Physics · Laws of Motion · Numerical
Q63.A wire of length $L$ and radius $r$ is clamped rigidly at one end. When the other end of the wire is pulled by a force $F$ , its length increases by $5 cm$ . Another wire of the same material of length $4 L$ …
Physics · Properties of Matter · Numerical
Q64.A unit scale is to be prepared whose length does not change with temperature and remains $20 cm$ , using a bimetallic strip made of brass and iron each of different length. The length of both components would change in such a way…
Physics · Heat and Thermodynamics · Numerical
Q65.The volume charge density of a sphere of radius $6 m$ is $2 μ C cm^{- 3}$ . The number of lines of force per unit surface area coming out from the surface of the sphere is $\times 1 0^{10} NC^{- 1}$ …
Physics · Electrostatics · Numerical
Q66.In the given figure, the value of Vo will be V. Includes diagram
Physics · Current Electricity · Numerical
Q67.Eight copper wire of length $l$ and diameter $d$ are joined in parallel to form a single composite conductor of resistance $R$ . If a single copper wire of length $2 l$ have the same resistance $(R)$ then its diameter will be …
Physics · Current Electricity · Numerical
Q68.The energy band gap of semiconducting material to produce violet (wavelength = 4000 $A o$ ) LED is $eV$ . (Round off to the nearest integer).
Physics · Electronic Devices · Numerical