Physics MCQs (Part-1)

What describes the Young's double-slit experiment?

Which of the following flow types is characterized by chaotic property changes?

Hydrostatic pressure at a depth in a fluid is dependent on:

Which of the following describes the motion of an object in two or three dimensions under the influence of gravitational force only?

Which phenomenon demonstrates the wave nature of electrons?

What is the period of a wave with a frequency of 50 Hz?

What is the efficiency of an ideal heat engine operating between temperatures T1 and T2 (T1 > T2)?

What does the first law of thermodynamics state?

Which of the following is a consequence of the wave-particle duality?

Which law of motion explains the behavior of objects in motion when a net force acts on them?

The work done on an object is equal to the change in its kinetic energy according to:

What is the critical speed in fluid flow associated with?

A vector quantity includes both magnitude and:

Bernoulli's equation is a statement of the conservation of:

What type of image is formed by a plane mirror?

Boyle's law states that the volume of a fixed mass of gas is:

Which of the following is NOT a scalar quantity?

What type of image is formed by a concave mirror when the object is placed between the focal point and the mirror?

The phenomenon of water climbing up a narrow tube against gravity is known as:

What is the formula for the Doppler effect in sound?

What is the focal length of a convex lens that forms an image 10 cm from the lens when the object is 30 cm away?

What does the capillary action phenomenon in fluids demonstrate?

Which of the following is not a method of heat transfer?

The principle of heat exchange with no net loss or gain in a system is known as:

The Stefan-Boltzmann law relates to:

Which of the following is a unit of heat?

What is the Brewster's angle?

Prandtl number is a dimensionless quantity used in fluid dynamics to describe:

Stokes' law relates to which property of a fluid?

The latent heat of vaporization is the amount of heat required to:

In a p-V diagram, an isothermal process is represented by:

What is the principle of superposition of waves?

Carnot engine efficiency depends on:

Which law forms the basis of the Kelvin-Planck statement of the second law of thermodynamics?

What is the unit of frequency?

What is the phase difference between two points in a standing wave that are one half wavelength apart?

In which of the following processes is the work done by the gas zero?

For an object moving in circular motion, the centripetal force must:

What happens to the gravitational force between two objects if the distance between them is halved?

Kinetic energy of an object is proportional to:

Friction always acts in a direction:

What is the name of the point where light rays meet after reflection or refraction?

The continuity equation in fluid mechanics expresses the conservation of:

What phenomenon is evident when light passes through a small aperture or around an obstacle?

What does the slope of a velocity-time graph represent?

Flow rate in a pipe system is directly proportional to:

What is the fundamental frequency of a standing wave on a string that is 2 meters long and fixed at both ends, with a wave speed of 100 m/s?

Which type of process involves no exchange of heat with the surroundings?

What property of a system is a measure of its disorder?

Pressure is defined as force per unit:

What is the value of gravitational acceleration near the surface of the Earth?

Laplace's law relates surface tension to:

What is the Rayleigh criterion related to?

What is the effect of temperature on surface tension of a liquid?

The tendency of an object to resist changes in its state of motion is known as its:

Which lens would you use to correct nearsightedness?

Which of the following is NOT a condition for equilibrium in mechanics?

The process of heat transfer from one particle of the body to another without the actual movement of the particles is known as:

At what temperature does water have its maximum density?

Which principle explains the bending of light as it passes from one medium to another?

The rate of doing work is defined as:

What is the SI unit of viscosity?

According to Pascal's law:

What is the frequency of a wave whose period is 0.2 seconds?

Which phenomenon is responsible for the splitting of white light into its component colors?

An object moves in a circle at constant speed. Its acceleration is:

What is the harmonic series of a closed pipe?

Which of the following is an example of a longitudinal wave?

What quantity measures the rate of change of angular displacement?

The thermal conductivity of a material is a measure of:

Which type of mirror is used to concentrate sunlight in solar cookers?

What happens to the wavelength of light as it enters a medium with a higher refractive index?

Which of the following is not a property of an ideal fluid?

The drag force on an object moving through a fluid depends on:

Pitot tubes are used to measure:

Pressure-volume work is given by:

Which is not a dimensionless number in fluid mechanics?

In fluid dynamics, what does the Reynolds number measure?

What is the critical angle of light traveling from water (n = 1.33) to air (n = 1.00)?

The streamline model of fluid flow assumes:

Archimedes' principle applies to:

The specific heat capacity of a substance is:

Thermal expansion coefficient of a material determines:

What is the speed of light in water, given its refractive index is about 1.33?

Mach number is used in fluid dynamics to characterize:

What is the significance of 'c' in the equation E = mc^2?

What is the primary difference between dynamic viscosity and kinematic viscosity?

In a reversible process, the change in entropy of the universe is:

What is the zeroth law of thermodynamics primarily concerned with?

The heat transferred in an isochoric process is used to change:

For an ideal gas, the internal energy is a function of:

Which force is responsible for keeping planets in orbit around the sun?

The change in internal energy of a system undergoing an adiabatic process depends on:

What is the condition for constructive interference in terms of the path difference of two waves?

An object is in uniform circular motion. Which of the following statements is true?

Which of the following describes a property that is directly proportional to the amount of substance?

What does the second law of thermodynamics imply?

Which of the following is a correct statement of Newton's third law of motion?

Absolute zero is a theoretical temperature at which:

The angular momentum of a system remains constant if:

Which of the following is true for an ideal gas during an isothermal expansion?

Hooke’s Law relates to:

Which quantity measures the resistance of an object to change its state of motion?

Which factor does not affect the viscosity of a fluid?

In which type of wave do the particles of the medium move perpendicular to the direction of wave propagation?

A torque acting on an object tends to produce:

Which property of light changes when it goes from one medium to another causing refraction?

What aspect of a wave is measured in Hertz?

According to Avogadro's law, equal volumes of gases at the same temperature and pressure contain:

In the absence of air resistance, objects fall at constant:

Which principle explains the behavior of fluids in motion?

Which of the following is not a characteristic of an electromagnetic wave?

Which of the following is true for the work done by a conservative force around a closed path?

What type of collision conserves both kinetic energy and momentum?

Which law is applied for the calculation of pressure drop in laminar flow through a circular pipe?

What is the wavelength of a wave that has a frequency of 2 Hz and a speed of 10 m/s?

Surface tension in liquids is due to:

The product of an object’s mass and its velocity is known as:

What is the unit of work in the SI system?

Venturi meter is used to measure:

The moment of inertia is a measure of:

Which of these is not directly studied within fluid mechanics?

In fluid dynamics, what is cavitation?

The efficiency of a real heat engine:

The principle of conservation of linear momentum applies when:

What is the unit of force in the SI system?

What is the speed of light in vacuum?

The path of a projectile in the absence of air resistance is:

Which process occurs at constant temperature?

Which principle explains the lift force on a wing in a flowing fluid?

What does the Clausius statement of the second law of thermodynamics say?

The ability of a body to do work because of its position or shape is called:

What does Snell's Law relate?

The SI unit of pressure is:

Magnus effect is related to: