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Physics · PYQ NEET UG 2022
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Physics · PYQ NEET UG 2022
The truth table for the given logic circuit is:Logic Circuit Diagram
Read answer →Physics · PYQ NEET UG 2022
वह ग्राफ जो किसी कण की दे ब्रॉग्ली तरंगदैर्ध्य (\( \lambda \)) और उसके संबंधित संवेग (\( \p \)) के विचरण को दर्शाता है, है:
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Two point charges \( -q \) and \( +q \) are placed at a distance of \( L \), as shown in the figure. The magnitude of electric field intensity at a distance \( R \) (\( R \gg L \)) varies as:
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In the given nuclear reaction, the element X is: \( ^{22}_{11}\text{Na} \rightarrow \text{X} + \text{e}^+ + \nu \)
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The displacement-time graphs of two moving particles make angles of \( 30^\circ \) and \( 45^\circ \) with the x-axis as shown in the figure. The ratio of their respective velocity is:
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From Ampere’s circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field in the inside and outside region of the wire is:
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A shell of mass \( m \) is at rest initially. It explodes into three fragments having mass in the ratio \( 2 : 2 : 1 \). If the fragments having equal mass fly off along mutually perpendicular directions with speed \( \upsilon \), the speed of the third (lighter) fragment is:
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Two pendulums of length \( 121\text{ cm} \) and \( 100\text{ cm} \) start vibrating in phase. At some instant, the two are at their mean position in the same phase. The minimum number of vibrations of the shorter pendulum after which the two are again in phase at the mean position is:
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The area of a rectangular field (in \( \text{m}^2 \)) of length \( 55.3\text{ m} \) and breadth \( 25\text{ m} \) after rounding off the value for correct significant digits is:
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The ratio of the radius of gyration of a thin uniform disc about an axis passing through its centre and normal to its plane to the radius of gyration of the disc about its diameter is:
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Two objects of mass \( 10\text{ kg} \) and \( 20\text{ kg} \) respectively are connected to the two ends of a rigid rod of length \( 10\text{ m} \) with negligible mass. The distance of the center of mass of the system from the \( 10\text{ kg} \) mass is:
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A wheatstone bridge is used to determine the value of unknown resistance X by adjusting the variable resistance Y as shown in the figure. For the most precise measurement of X, the resistances P and Q:
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In the given circuits (a), (b) and (c), the potential drop across the two p-n junctions are equal in:
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Match List-I with List-II: List-I (Electromagnetic waves) List-II (Wavelength) (a) AM radio waves (i) \( 10^{-10}\text{ m} \) (b) Microwaves (ii) \( 10^2\text{ m} \) (c) Infrared radiations (iii) \( 10^{-2}\text{ m} \) (d) x-rays (iv) \( 10^{-4}\text{ m} \) Choose the correct answer from the options given below:
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A square loop of side \( 1\text{ m} \) and resistance \( 1\text{ }\Omega \) is placed in a magnetic field of \( 0.5\text{ T} \). If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is:
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The peak voltage of the ac source is equal to:
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Which of the following P-V curve represents maximum work done?
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If a soap bubble expands, the pressure inside the bubble:
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The angle between the electric lines of force and the equipotential surface is:
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The volume occupied by the molecules contained in \( 4.5\text{ kg} \) water at STP, if the intermolecular forces vanish away is:
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Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The stretching of a spring is determined by the shear modulus of the material of the spring. Reason (R): A coil spring of copper has more tensile strength than a steel spring of same dimensions. In the light of the above statements, choose the most appropriate answer from the options given below:
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Given below are two statements:\n Statement I: Biot-Savart's law gives us the expression for the magnetic field strength of an infinitesimal current element (\( I\,dl \)) of a current carrying conductor only.\n Statement II: Biot-Savart's law is analogous to Coulomb's inverse square law of charge \( q \), with the former being related to the field produced by a scalar source, \( I\,dl \) while the latter being produced by a vector source, \( q \).\nIn light of above statements choose the most appropriate answer from the options given below:
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