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6 April 2023 physics questions with solutions
Browse 6 April 2023 Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 60 questions
- MCQmediumCircular Motion
A student is provided with a variable voltage source V, a test resistor R(T) = 10 Ω, two identical galvanometers G₁ and G₂, and two additional resistors R₁ = 10 MΩ and R₂ = 0.001 Ω. For conducting an experiment to verify Ohm's law, the most suitable circuit is: Image
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JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumCircular Motion
An ideal transformer with purely resistive load operates at 12 kV on the primary side. It supplies electrical energy to nearby houses at 120 V. The average rate of energy consumption is 60 kW. The value of resistive load Rₛ required in the secondary circuit is ______ mΩ.
JEE Mains6 April 2023Shift 1Morning Shift
Open question & full solution → - A/RmediumCircular Motion
Given below are two statements: one is labelled as Assertion A and the other as Reason R.
Assertion
Diffusion current in a p-n junction is greater than the drift current in magnitude if the junction is forward biased.
Reason
Diffusion current in a p-n junction is from the n-side to the p-side if the junction is forward biased.
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JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumCircular Motion
As shown in the figure, two parallel plate capacitors of equal plate area 200 cm² are joined with unequal separations a and b. The equivalent capacitance is xε₀ F. Find x. Image
JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumCircular Motion
Experimentally, 12.8 eV energy is required to separate a hydrogen atom into a proton and an electron. The orbital radius of the electron is (9/x) × 10⁻¹⁰ m. Find x. [1 eV = 1.6 × 10⁻¹⁹ J, 1/(4πε₀) = 9 × 10⁹ N m² C⁻², e = 1.6 × 10⁻¹⁹ C]
JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - MCQeasyCircular Motion
For the plane electromagnetic wave given by E = E₀ sin(ωt - kx) and B = B₀ sin(ωt - kx), the ratio of average electric energy density to average magnetic energy density is:
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JEE Mains6 April 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumCircular Motion
A small particle of mass m has potential energy U = (1/2)mω²r², where ω is constant and r is distance from origin. Assuming Bohr quantization and a circular orbit, the radius of the nth orbit is proportional to:
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JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumCircular Motion
Two identical solid spheres each of mass 2 kg and radius 10 cm are fixed at the ends of a light rod. The separation between their centres is 40 cm. The moment of inertia of the system about an axis perpendicular to the rod through its midpoint is ______ × 10⁻³ kg m².
JEE Mains6 April 2023Shift 1Morning Shift
Open question & full solution → - A/RmediumCircular Motion
Given below are two statements: one is labelled as Assertion A and the other as Reason R.
Assertion
When you squeeze one end of a tube to get toothpaste out from the other end. Pascal's principle is observed.
Reason
A change in the pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and to the walls of its container.
Options
JEE Mains6 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumCircular Motion
A body is dropped from height h₁ and rebounds to height h₂. If the ratio of speeds just before and just after hitting the ground is 4, the percentage loss in kinetic energy is x/4. Find x.
JEE Mains6 April 2023Shift 2Evening Shift
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