NSMQ 2024 Physics True/False
Review past NSMQ 2024 Physics True/False round questions with detailed answers and comprehensive explanations
A student investigating the location dependence of the period of a pendulum, composed of a string and a lead ball, accum…
When two incandescent lamps illuminate the same patch on a screen, the intensity of light on the patch is a linear super…
An object moves with constant speed.
The angle between two concurrent forces of equal magnitude is increased from 0° to 180°
Heat transfer by conduction involves transport of atoms or molecules.
A particle moves along a straight line with constant acceleration.
A three-meter-long stretched string clamped at both ends vibrates in a mode with two nodes between its ends.
The induced emf in a closed loop equals the time rate of change of the magnetic flux through the loop.
Wavelengths for visible light
P-type semiconductor is arsenic-doped silicon.
The joule-second (J·s) is equivalent to the kilogram meter per second (kg·m/s).
A 2 kg particle moving at 50 m/s undergoes a completely inelastic collision with an oncoming 4 kg particle moving at 25 …
An object is in free fall near the Earth's surface.
The weight of an object in a fluid equals the weight of the fluid.
In one second, a one-ohm resistor carrying one ampere dissipates as much heat as a two-ohm resistor carrying 0.5 amperes…
The amplitude of a sound wave determines the quality of the sound.
In any electric circuit, the algebraic sum of the currents flowing into any given node…
The potential energy of a particle moving along the x-axis is given by Cx², where C is a constant.
The friction force on an object is zero if…
A short, thin object is located on the principal axis of a convex spherical mirror.
A body is in translational equilibrium if the sum of all forces acting on it vanishes.
An incompressible fluid flows from a pipe of cross-sectional area 2 cm² into a pipe of cross-sectional area 4 cm².
The power developed by a force vanishes whenever the velocity of its point of application is perpendicular to the force.
The change in internal energy of a gas undergoing any process equals…
The SI unit for tensile stress is the newton.
Linear momentum is a vector quantity, whereas impulse is a scalar quantity.
Mass is a scalar quantity, whereas weight is a vector quantity.
The magnitude of the centripetal force on an object moving in a circle is proportional to the kinetic energy of the obje…
An ideal object spring system oscillates at an angular frequency of 40π rad/s.
An object slides down a rough plane, inclined at an angle to the horizontal.
The given device is an example of a lever.
The maximum kinetic energy of a simple harmonic oscillator occurs at its extreme positions.
A simple harmonic oscillator has angular frequency 100π radians per second.
An object slides down a smooth plane inclined at an angle to the horizontal.
A particle moves with constant angular velocity ω in a circle of radius r.
Heat spontaneously flows from a hot region to a cold region.
The density of an object is a measure of the quantity of matter in the object.
A student measures the length of an object five times and records her results.
A particle at the origin undergoes the displacement 2i m. During the same time, a second particle undergoes the displace…
A manometer can be used to measure gauge pressure.
The quantity of heat in a body equals the heat capacity of the body times the body’s temperature.
The optical power of a lens is measured in diopters.
A battery is connected across a series combination of two resistors of resistances 2 Ω and 4 Ω.
As a car rounds a curve in a road, a backseat passenger slides towards one side of the car.
The weight of an object on Earth is greater at the poles than at the equator.
Any moving object has kinetic energy.
A particle at rest is in mechanical equilibrium.
The heat capacity of an ideal gas depends on how the gas is heated.
Diffraction of light only occurs when light passes through small apertures such as slits and pinholes.
The only useful renewable energy resources are solar energy and wind energy.
A uniform sphere of radius 0.05 m is made of material of density 4 × 10³ kg/m³.
In beta decay, a neutral, nearly massless particle accompanies the beta particle emitted.
In a common-emitter transistor amplifier,…
The gravitational field strength at a point equals the acceleration due to gravity at the point.
The inputs of a two-input NOR gate are labeled A and B.
The impulse of the net force on a particle over a time interval equals the linear momentum at the end of the interval mi…
According to the Kepler laws, a planetary orbit about a host star is an ellipse with the star located at one of the foci…
The power developed by a force equals the product of the magnitude of the force and the speed of its point of applicatio…
In a laser above threshold, only stimulated emission results in light emission.
The thermal conductivity of concrete is nearly the same as the thermal conductivity of glass.
In Millikan's oil drop experiment, the forces acting on a fallen oil drop when the field between the plates is zero are …
The inputs of a two-input NAND gate are labeled A and B.
A single-mode fiber optic cable can only carry one light wavelength at a time.
If a body is in mechanical equilibrium, …
A circular loop in the XY plane carries a counterclockwise current as viewed downward.
The fissile uranium-235 isotope is only a small fraction of naturally occurring uranium ore.
A conical tube inclined at 45° to the horizontal has a radius of 20 cm at its lower end and a radius of 40 cm at its upp…
Two small loudspeakers, one meter apart, point in the same direction and emit the same note.
Decay events of a radioisotope are statistical with a probability distribution which yields the leading decay parameters…
Two electric charges on the x-axis have position vectors xi and −xi.
Fluid flows at constant rate through a horizontal tube of length 20 cm and radius 1 mm.
The principle of linear superposition only applies to electromagnetic phenomena.
