NSMQ 2024 Physics Fundamentals Round
Review past NSMQ 2024 Physics fundamentals round questions with detailed answers and comprehensive explanations
In a certain laboratory, the relative uncertainty in length measurements is 0.200%, and the relative uncertainty in dens…
So-called Peak Uranium raises energy security concerns and efforts are underway for realizing sustainable uranium extrac…
A photon of frequency 2.0 × 10¹⁵ Hz is emitted from the surface of a uniform sphere of mass 6.0 × 10²⁴ kg and radius R =…
Rutherford's scattering experiments are conducted with 5.0 MeV alpha (α) particles and various target foils. Find the di…
A block A on a smooth horizontal table is connected by a light inextensible string running over a smooth pulley to a blo…
Find the minimum photon energy in MeV required to produce:
Estimate the energy, in eV, of either electron in the K shell of an atom of the given element.
An 850 N object is pushed against a smooth plane inclined at π/6 to the horizontal by a horizontal force of magnitude F.…
What does the given abbreviation as used to describe logic families stand for?
A grating spectrometer with interchangeable diffraction gratings is set up so that light falls on the grating at normal …
Pellet ballistics is studied using a ballistic pendulum with a wood block of mass 1.000 kg and the pendulum is at rest w…
Taking the nuclear size parameter as 1.2 fm, estimate the charge radius of the given nuclide.
A 2.5 kg disc of radius 0.40 m is spun from rest by a constant torque N about the given axis. Find the time it takes to …
Find the speed of tranverse wave on a uniform 2m long string of mass 16 g, that is streched by a 3.2 N force.
Find the work done by the given quantity N of ideal gas in an isothermal process at temperature T in which the volume of…
The ultimate shear stress of a certain biomaterial is 32 MPa and its Shear Modulus is 640 MPa. A 2.0 cm thick plate of t…
A running motor draws 1.2 A when driven from a 24.0 V supply. Calculate the starting current of the motor if its back em…
A 1.0 mW linearly-polarized laser beam is incident on a linear polarizer whose transmission axis makes an angle of π/3 w…
Find the limiting angle of resolution for a single slit of width 0.50 mm at a wavelength of 650 nm.
Find the tensile load that stretches a 1.50 m steel wire by 0.250 mm, if the cross-sectional area of the wire is 0.450 m…
Find the magnitude of the electric field, just above the center of a uniformly charged plane sheet of area 2.5 m², carry…
Find the kinetic energy of a uniform sphere of radius R and mass M, spinning about an axis through its center at angular…
Find the net electric flux out of a sphere of radius 0.40 m if a 0.16 nC point charge is located at the center of the sp…
A single-slit diffraction experiment is conducted with a slit of width 0.250 mm and a screen 2.00 mm from the slit.
Find the image height and its orientation relative to the object in the given situation.
Calculate the scalar potential at some point on the surface of a spherical conductor of radius 4.5 cm with a net charge …
A sphere of radius 16.0 cm rolls without slipping on a horizontal surface. If the angular speed of the sphere is 85.0 ra…
Find the pressure at a section of a horizontal pipe where the speed of an incompressible fluid of density 9.60 × 10² kg/…
Calculate the magnitude of the friction force on a 15 N object that remains at rest on a plane inclined at 45 degrees to…
Find the lifetime of a radioisotope if the activity of 6.0 × 10⁶ atoms is 22 MBq. Find the activity of 1,500 atoms of a …
Find the electromotive force induced around a loop which encloses the given magnetic flux, φ.
Evaluate the given boolean expression.
Find the temperature of a black body if its spectrum, as a function of wavelength, peaks at 7.500 micron.
Find the magnitude of the magnetic flux density near the center of
All faces of a cube of side 5.0 cm are thermally insulated except for a pair of opposite faces which are maintained at t…
Find the Curie constant for the given paramagnetic material using the given data.
A double slit experiment is conducted using 640 nm laser light, a 2.0 mm slit separation, and an observation screen 3.0 …
Briefly describe the logic function realized by the given circuits.
Find the electric field generated at the origin by the given charge configuration.
An object is projected from ground level at 15° to the horizontal.
An object weighs 360 N on the surface of the Earth. Find the weight of the object at a given height above the Earth.
A series RLC circuit has R = 0.150 kΩ and L = 20.0 mH. Find C required for the given resonance frequency.
Determine the center of mass of the given pair of particles of masses Mᵢ with respective positions Rᵢ.
The position vector of a particle is given by At² i + Bt j + C sin(ωt) k where A, B, C, and ω are constants and t is tim…
Calculate the work done by 1.5 mol of a gas in an isobaric expansion from 0.25 m³ to 0.75 m³ at 24 kPa.
A 2.46 m long pipe has one open end. The second end is alternately open and closed. Take the speed of sound in air as 34…
A uniform meter stick is balanced on a knife edge under the 0.50 m mark.
Calculate the power developed by the given force F when its point of application moves with a given velocity v.
Find the magnitude of the gravitational force between spherical objects with given masses M₁ and M₂, and the center-to-c…
Two equal-length springs of force constants k₁ and k₂ are connected in series. Calculate the equivalent force constant o…
Find the impedance of a series RLC circuit at a frequency at which the reactance in the circuit has modulus X given that…
A particle projected horizontally at 24 m/s from a point above ground is airborne for 4.0 s. Neglect air resistance.
Find the wavelength of a photon of a given linear momentum.
Find the resistance in a series RLC circuit of the given moduli of impedance Z and reactance X.
Two identical balls, each of mass M, are separated center to center by a distance D. Find the magnitude of the gravitati…
The capacitance of a capacitor of plate area 1.00 m² and plate separation 1.00 mm is 8.85 × 10⁻⁹ F when the space betwee…
Find the length of a simple pendulum on Earth with the given property.
Find the resultant of the forces 16i - 8j N and 11i + 21j N.
Find the reactance of a capacitor with the given capacitance C at the given frequency f.
Find the energy consumed by a 10 Ω resistor when a current of 2 A flows through it for 2 s.
A 95 N object slides freely down a smooth plane inclined at an angle θ to the horizontal. Find the magnitude of the acce…
Two inductors of inductances L₁ and L₂ are connected in series. Find the reactance at frequency f of the inductor equiva…
Calculate the magnitude of the given force.
Find the capacitance of a parallel-plate capacitor of the given dimensions when filled with a dielectric of permittivity…
The acceleration of free fall on the moon is 1.6 m/s².
Find the angular frequency of an ideal resonant LC circuit with the given values of L and C.
Find the kinetic energy of a 16.0 kg particle when its velocity is as given.
Calculate the reactance at 16 Hz of a 15 mH inductor.
A 4.0 kg particle moving at 8.0 m directly towards a rigid wall bounces back at 6.0 m/s after colliding with the wall.
Find the magnitude of the acceleration of a particle of mass m when the net force on it is F.
Find the object distance at which a 15.0 cm focal-length converging mirror produces a real image at image distance 45.0 …
Forces of magnitude F₁, F₂ and F₃ act at a point in mutually perpendicular directions. For the given values of F₁, F₂, a…
Find the power dissipation of a 25 Ω resistor carrying a current of 4 A.
Calculate the quantity of heat required to change the temperature of an object from 26 °C to 51 °C, given that the heat …
A particle initially at rest is acted upon for 5.0 s by a constant net force of magnitude F. Find the change in kinetic …
Calculate the speed of a particle whose velocity is given as.
Find the pressure exerted by a force of the given magnitude F when applied uniformly over a square surface of given side…
Calculate the equivalent capacitance obtained by connecting capacitors with the given pair of capacitances in series.
Calculate the angular frequency of a simple harmonic oscillator comprising a 5kg mass and a spring of spring constant 80…
A 2 kg object is launched vertically upward from ground level and the greatest height it attains is 50 m. Air resistance…
Consider an isothermal ideal gas process.
The electrical resistivity of an alloy is 4.0 × 10⁻⁸ Ωm. Find the resistance of alloy wire of the given dimensions.
Find the resultant force on a 3.0 kg object whose acceleration is 4.0k m/s².
Two inductors of inductances L₁ and L₂ are connected in parallel. Find the equivalent inductance of the parallel inducto…
Find the speed of a 16 kg object at which its kinetic energy is 18 J
