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

A. Sound wave

B. Light wave

C. X-ray

D. Radio wave

Correct Answer :

A. Sound wave


Related Questions

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4

What is the process by which a material acquires a positive or negative charge by gaining or losing electrons?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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Which of the following statements about transformers is true?

A. They only work with direct current (DC).

B. They can increase or decrease voltage in an electrical circuit.

C. They do not involve the principle of electromagnetic induction.

D. They are used to store electrical energy.

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What is the SI unit of electric potential difference?

A. Volt

B. Ampere

C. Ohm

D. Watt

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Which of the following statements about electric fields is true?

A. Electric fields always point towards positive charges.

B. Electric fields are vectors and have both magnitude and direction.

C. Electric fields only exist inside conductors.

D. Electric fields do not interact with magnetic fields.

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Which law states that the total electric charge in a closed system is constant?

A. Coulomb's Law

B. Ohm's Law

C. Conservation of Charge

D. Ampere's Law

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Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?

A. Boyle's Law

B. Charles's Law

C. Gay-Lussac's Law

D. Avogadro's Law

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4

What is the SI unit of energy in the CGS system?

A. Erg

B. Joule

C. Newton-meter

D. Watt-hour

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Which of the following is a measure of an object's resistance to changes in its linear motion?

A. Inertia

B. Momentum

C. Impulse

D. Damping coefficient

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4

What is the phenomenon where light waves oscillate in multiple planes?

A. Polarization

B. Diffraction

C. Dispersion

D. Interference

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4

Which of the following is a measure of the amount of matter in an object?

A. Mass

B. Weight

C. Volume

D. Density

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Which of the following is a type of nuclear radiation that consists of high-energy photons?

A. Alpha radiation

B. Beta radiation

C. Gamma radiation

D. Neutron radiation

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4

Which type of energy is associated with the motion of atoms and molecules?

A. Kinetic energy

B. Potential energy

C. Thermal energy

D. Mechanical energy

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What is the SI unit of electric charge in the CGS system?

A. Statcoulomb

B. Coulomb

C. Ampere-hour

D. Franklin

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What is the SI unit of capacitance in the CGS system?

A. Farad

B. Statfarad

C. Ampere-second

D. Volt

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What is the SI unit of intensity of sound?

A. Watt per square meter

B. Decibel

C. Hertz

D. Pascal

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What is the law that states the total electric charge in a closed system is constant?

A. Coulomb's Law

B. Ohm's Law

C. Conservation of Charge

D. Ampere's Law

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4

What is the SI unit of electric potential?

A. Volt

B. Ampere

C. Ohm

D. Watt

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4

What is the SI unit of frequency?

A. Hertz

B. Newton

C. Pascal

D. Watt

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What is the SI unit of frequency in the CGS system?

A. Hertz

B. Rad/s

C. Cycles per second

D. Revolutions per minute

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4

What is the process by which a gas changes into a liquid?

A. Vaporization

B. Condensation

C. Sublimation

D. Fusion

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Which of the following statements about gravity is true?

A. It is a contact force.

B. It is a repulsive force.

C. It is a conservative force.

D. It only acts on planets and stars.

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4

What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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4

Which of the following statements about circular motion is true?

A. The centripetal force acts outward from the center of the circle.

B. Angular velocity is constant in circular motion.

C. The velocity of an object in circular motion is constant.

D. Acceleration is directed towards the center of the circle.

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What is the process by which a solid changes directly into a gas without passing through the liquid phase?

A. Evaporation

B. Sublimation

C. Condensation

D. Melting

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4

What is the phenomenon where light waves oscillate in a single plane?

A. Polarization

B. Diffraction

C. Interference

D. Dispersion

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4

Which of the following statements about wave speed is true?

A. It is determined by frequency and wavelength.

B. It is independent of the medium through which the wave travels.

C. It is inversely proportional to amplitude.

D. It is a scalar quantity.

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4

Which of the following is a measure of a material's ability to conduct an electric current?

A. Conductance

B. Impedance

C. Susceptance

D. Inductance

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4

What is the SI unit of magnetic pole strength?

A. Ampere-meter

B. Weber

C. Tesla

D. Ampere

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What is the process by which an atomic nucleus splits into smaller particles?

A. Radioactive decay

B. Nuclear fission

C. Nuclear fusion

D. Electron capture

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Which law states that the total energy in an isolated system remains constant?

A. Law of Conservation of Energy

B. Law of Conservation of Momentum

C. Law of Conservation of Mass

D. Law of Universal Gravitation