Free physics question bank
15 April 2023 Morning Shift physics questions with solutions
Browse 15 April 2023 Morning Shift Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 29 questions
- IntegermediumWave Motion
The fundamental frequency of a string fixed at both ends is 50 Hz. Its mass is 18 g and linear mass density is 20 g m⁻¹. Find the transverse-wave speed in m s⁻¹.
15 April 2023 Morning Shift
Open question & full solution → - MCQmediumPhotoelectric effect and dual nature of matter
The de Broglie wavelength of an electron of kinetic energy E is λ. If its kinetic energy becomes E/4, its de Broglie wavelength becomes:
Options
15 April 2023 Morning Shift
Open question & full solution → - MCQmediumCurrent electricity
A galvanometer has resistance 54 Ω and gives full-scale deflection at 1 mA. It is to be converted into a 50 V voltmeter and a 10 mA ammeter. Which statements are correct?
A. voltmeter series resistance ≈ 50 kΩ,
B. ammeter shunt ≈ 0.2 Ω,
C. ammeter shunt ≈ 6 Ω,
D. voltmeter series resistance ≈ 5 kΩ,
E. voltmeter series resistance ≈ 500 Ω.
Options
15 April 2023 Morning Shift
Open question & full solution → - IntegermediumWork , Power and Energy
A 10 kg block moves along the x-axis under a force F = 5x N. Find the work done by the force as x changes from 2 m to 4 m, in joules.
15 April 2023 Morning Shift
Open question & full solution → - MCQmediumNewtons law of motion and Friction
The position vector of a particle is r = (10t î + 15t² ĵ + 7 k̂) m. The direction of the net force is:
Options
15 April 2023 Morning Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
A 12 V battery is connected to a coil of resistance 6 Ω. The steady current is interrupted in 1 ms and the induced emf across the coil is 20 V. The inductance is:
Options
15 April 2023 Morning Shift
Open question & full solution → - MCQmediumProperties of solid and fluid
A wire of length L and radius r extends by l under force f. Another wire of the same material has length 2L and radius 2r and is pulled by force 2f. Its extension is:
Options
15 April 2023 Morning Shift
Open question & full solution → - IntegermediumCapacitor
In the shown capacitor combination, the total charge stored is 100 μC. All capacitors are connected across 10 V and their equivalent capacitance is (5 + x) μF. Find x.
15 April 2023 Morning Shift
Open question & full solution → - IntegermediumMagnetic effect of current
An electron in a hydrogen atom moves with speed 6.76 × 10⁶ m s⁻¹ in an orbit of radius 0.52 Å. Find the magnetic field at the nucleus, in tesla.
15 April 2023 Morning Shift
Open question & full solution → - IntegermediumCurrent electricity
A four-resistor network is connected to a 9 V battery as shown. Find the magnitude of potential difference between points A and B, in volts.
15 April 2023 Morning Shift
Open question & full solution →