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Physics · 2022 · 29 Jul · Shift 2

26 questions from this JEE Main paper

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2022 · 29 Jul · Shift 2
Physics

Physics · 2022 · 29 Jul · Shift 2

26 questions from this JEE Main paper

Electrostatics1 questions Units and Measurements1 questions Capacitor1 questions Current Electricity2 questions Magnetics1 questions Motion in A Straight Line2 questions Alternating Current2 questions Wave Optics1 questions Dual Nature of Radiation1 questions Gravitation1 questions Laws of Motion1 questions Center of Mass1 questions Rotational Motion1 questions Heat and Thermodynamics2 questions Geometrical Optics1 questions Properties of Matter4 questions Electromagnetic Waves1 questions Simple Harmonic Motion1 questions Electronic Devices1 questions

Q44.Two identical metallic spheres $A$ and $B$ when placed at certain distance in air repel each other with a force of $F$ . Another identical uncharged sphere $C$ is first placed in contact with $A$ …
Physics · Electrostatics · MCQ
Q45.Match List I with List II. Choose the correct answer from the options given below : Includes table
Physics · Units and Measurements · MCQ
Q46.Two identical thin metal plates has charge $q_{1}$ and $q_{2}$ respectively such that $q_{1} > q_{2}$ . The plates were brought close to each other to form a parallel plate capacitor of capacitance C. The potential difference between them…
Physics · Capacitor · MCQ
Q47.Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Alloys such as constantan and manganin are used in making standard resistance coils. Reason R: Constantan and manganin have…
Physics · Current Electricity · MCQ
Q48.A $X$ long wire is broken into two unequal parts $X$ and $Y$ . The $X$ part of the wire is streched into another wire W. Length of $W$ is twice the length of $X$ and the resistance of $W$ is…
Physics · Current Electricity · MCQ
Q49.A wire X of length $2 A$ carrying a current of $Y$ is placed parallel to a long wire $Y$ of length $Y$ . The wire $Y$ carries a current of $3 A$ . The distance between two wires… Includes diagram
Physics · Magnetics · MCQ
Q50.A juggler throws balls vertically upwards with same initial velocity in air. When the first ball reaches its highest position, he throws the next ball. Assuming the juggler throws n balls per second, the maximum height the balls can reach…
Physics · Motion in A Straight Line · MCQ
Q51.A circuit element $X$ when connected to an a.c. supply of peak voltage $5 A$ gives a peak current of $Y$ which is in phase with the voltage. A second element $Y$ when connected to the same a.c.…
Physics · Alternating Current · MCQ
Q52.An unpolarised light beam of intensity $2 I_{0}$ is passed through a polaroid P and then through another polaroid Q which is oriented in such a way that its passing axis makes an angle of $3 0^{\circ}$ relative to that of P. The intensity…
Physics · Wave Optics · MCQ
Q53.An $α$ particle and a proton are accelerated from rest through the same potential difference. The ratio of linear momenta acquired by above two particles will be:
Physics · Dual Nature of Radiation · MCQ
Q54.An object of mass $g = 10 ms^{- 2}$ is taken to a height from the surface of earth which is equal to three times the radius of earth. The gain in potential energy of the object will be [If, $g = 10 ms^{- 2}$ and radius of…
Physics · Gravitation · MCQ
Q55.A ball is released from a height h. If $t_{1}$ and $t_{2}$ be the time required to complete first half and second half of the distance respectively. Then, choose the correct relation between $t_{1}$ and $t_{2}$ .
Physics · Motion in A Straight Line · MCQ
Q56.Two bodies of masses $m_{1} = 5 kg$ and $m_{2} = 3 kg$ are connected by a light string going over a smooth light pulley on a smooth inclined plane as shown in the figure. The system is at rest. The force exerted by the… Includes diagram
Physics · Laws of Motion · MCQ
Q57.If momentum of a body is increased by 20%, then its kinetic energy increases by
Physics · Center of Mass · MCQ
Q58.The torque of a force $5 \hat{i} + 3 \hat{j} - 7 \hat{k}$ about the origin is $τ$ . If the force acts on a particle whose position vector is $2 i + 2 j + k$ , then the value of $τ$ will be
Physics · Rotational Motion · MCQ
Q59.A thermodynamic system is taken from an original state D to an intermediate state E by the linear process shown in the figure. Its volume is then reduced to the original volume from E to F by an isobaric process. The total work done by the… Includes diagram
Physics · Heat and Thermodynamics · MCQ
Q60.The root mean square speed of smoke particles of mass $5 \times 1 0^{- 17} kg$ in their Brownian motion in air at NTP is approximately. [Given $k = 1.38 \times 1 0^{- 23} JK^{- 1}$ ]
Physics · Heat and Thermodynamics · MCQ
Q61.Light enters from air into a given medium at an angle of $4 5^{\circ}$ with interface of the air-medium surface. After refraction, the light ray is deviated through an angle of $1 5^{\circ}$ from its original direction. The refractive index…
Physics · Geometrical Optics · MCQ
Q62.A tube of length $250 g$ is filled completely with an incompressible liquid of mass $x F rad s^{- 1}$ and closed at both ends. The tube is then rotated in horizontal plane about one of its ends with a uniform angular velocity $x F rad s^{- 1}$ …
Physics · Properties of Matter · Numerical
Q63.Nearly 10% of the power of a $1 m$ light bulb is converted to visible radiation. The change in average intensities of visible radiation, at a distance of $5 m$ from the bulb to a distance of $a \times 1 0^{- 2} W / m^{2}$ is $a \times 1 0^{- 2} W / m^{2}$ …
Physics · Electromagnetic Waves · Numerical
Q64.A metal wire of length $1 0^{- 4} m^{2}$ and cross-sectional area $1 0^{- 4} m^{2}$ has breaking stress $5 \times 1 0^{8} Nm^{- 2}$ . A block of $10 kg$ is attached at one end of the string and is rotating in a…
Physics · Properties of Matter · Numerical
Q65.The velocity of a small ball of mass $8 g / cc$ and density $8 g / cc$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $1.3 g / cc$ …
Physics · Properties of Matter · Numerical
Q66.The speed of a transverse wave passing through a string of length $10 g$ and mass $60 ms^{- 1}$ is $60 ms^{- 1}$ . The area of cross-section of the wire is $2.0 mm^{2}$ and its Young's modulus is $1.2 \times 1 0^{11} Nm^{- 2}$ …
Physics · Properties of Matter · Numerical
Q67.The metallic bob of simple pendulum has the relative density 5. The time period of this pendulum is $5 x$ . If the metallic bob is immersed in water, then the new time period becomes $5 x$ s. The value of $x$ will be …
Physics · Simple Harmonic Motion · Numerical
Q68.A $R$ Zener diode along with a series resistance $R$ is connected across a $25 mA$ supply (as shown in the figure). If the maximum Zener current is $Ω$ , then the minimum value of R will be $Ω$ … Includes diagram
Physics · Electronic Devices · Numerical
Q69.A capacitor of capacitance 500 $μ$ F is charged completely using a dc supply of 100 V. It is now connected to an inductor of inductance 50 mH to form an LC circuit. The maximum current in LC circuit will be A.
Physics · Alternating Current · Numerical