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Current Affairs January 2024

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4

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

Correct Answer :

B. Charles's Law


Related Questions

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4

Which law states that an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an external force?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Gravitation

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4

What is the SI unit of inductance?

A. Henry

B. Farad

C. Ohm

D. Volt

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4

Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?

A. Faraday's Law of Electromagnetic Induction

B. Lenz's Law

C. Ohm's Law

D. Ampere's Law

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4

Which of the following statements about waves is true?

A. Longitudinal waves require a medium for propagation.

B. Transverse waves have oscillations perpendicular to the direction of wave motion.

C. Electromagnetic waves are an example of mechanical waves.

D. Sound waves are an example of electromagnetic waves.

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4

What is the SI unit of electric field strength?

A. Volt per meter

B. Newton per coulomb

C. Coulomb per second

D. Ampere per meter

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4

What is the SI unit of frequency?

A. Hertz

B. Newton

C. Pascal

D. Watt

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4

What is the wavelength range of visible light?

A. 100 nm - 400 nm

B. 400 nm - 700 nm

C. 700 nm - 1000 nm

D. 1 mm - 10 mm

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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 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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4

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

A. Inertia

B. Momentum

C. Impulse

D. Damping coefficient

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4

What is the phenomenon where a wave interacts with an obstacle and bends around it?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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4

Which law states that for every action, there is an equal and opposite reaction?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Universal Gravitation

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4

What is the process by which a material becomes electrically charged when brought in contact with a charged object?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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4

What is the SI unit of magnetic flux in the CGS system?

A. Weber

B. Gauss

C. Tesla

D. Henry

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4

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 law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?

A. Coulomb's Law

B. Ohm's Law

C. Ampere's Law

D. Faraday's Law

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4

What is the SI unit of magnetic field strength?

A. Tesla

B. Weber

C. Gauss

D. Ampere

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4

What is the unit of electric current in the CGS system?

A. Ampere

B. Coulomb

C. Statampere

D. Ohm

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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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What is the SI unit of power?

A. Watt

B. Joule

C. Volt

D. Ampere

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4

Which type of nuclear decay releases an alpha particle?

A. Alpha decay

B. Beta decay

C. Gamma decay

D. Positron emission

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4

What is the process of a solid changing directly into a gas called?

A. Evaporation

B. Sublimation

C. Condensation

D. Melting

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4

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 SI unit of capacitance?

A. Farad

B. Ohm

C. Henry

D. Volt

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4

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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4

Which of the following statements about nuclear reactors is true?

A. They use nuclear fusion to generate electricity.

B. They control nuclear fission reactions to produce heat.

C. They primarily use coal as a fuel source.

D. They do not involve the release of radiation.

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4

Which type of electromagnetic wave has the highest frequency?

A. Gamma rays

B. Radio waves

C. X-rays

D. Microwaves

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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

What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?

A. Reflection

B. Diffraction

C. Refraction

D. Constructive interference

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4

What is the process by which a liquid changes into a gas below its boiling point?

A. Evaporation

B. Vaporization

C. Condensation

D. Sublimation