What is the process of a solid changing directly into a gas called?
Evaporation
Sublimation
Condensation
Melting
Correct Answer :
B. Sublimation
Related Questions
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
Which of the following is a type of nuclear radiation that consists of high-energy photons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
Which of the following is a measure of the amount of matter in an object?
Mass
Weight
Volume
Density
What is the process by which a solid changes directly into a gas without passing through the liquid phase?
Evaporation
Sublimation
Condensation
Melting
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
Which law states that the total energy in an isolated system remains constant?
Law of Conservation of Energy
Law of Conservation of Momentum
Law of Conservation of Mass
Law of Universal Gravitation
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
What is the SI unit of electric potential difference?
Volt
Ampere
Ohm
Watt
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
Which of the following is an example of a longitudinal wave?
Sound wave
Light wave
X-ray
Radio wave
What is the phenomenon where light changes direction when passing from one medium to another?
Reflection
Diffraction
Refraction
Polarization
What is the phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
What is the SI unit of magnetic pole strength?
Ampere-meter
Weber
Tesla
Ampere
Which of the following is a measure of an object's resistance to changes in its linear motion?
Inertia
Momentum
Impulse
Damping coefficient
Which of the following statements about nuclear reactors is true?
They use nuclear fusion to generate electricity.
They control nuclear fission reactions to produce heat.
They primarily use coal as a fuel source.
They do not involve the release of radiation.
What is the SI unit of momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
What is the SI unit of capacitance?
Farad
Ohm
Henry
Volt
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
Which type of electromagnetic wave has the highest frequency?
Gamma rays
Radio waves
X-rays
Microwaves
What is the acceleration due to gravity on the surface of the Earth?
9.8 m/s²
6.67 × 10^-11 Nm²/kg²
3.00 × 10^8 m/s
1.6 m/s²
What is the unit of angular velocity?
Rad/s
m/s
Hz
Nm
What is the law that states the total electric charge in a closed system is constant?
Coulomb's Law
Ohm's Law
Conservation of Charge
Ampere's Law
Which of the following is a fundamental force of nature responsible for holding atomic nuclei together?
Electromagnetic force
Gravitational force
Weak nuclear force
Strong nuclear force
Which of the following statements about electric potential energy is true?
It is a scalar quantity.
It depends on the charge of the object and the distance from another charge.
It is always negative.
It is measured in amperes.
What is the SI unit of energy?
Joule
Watt
Newton
Volt
What is the phenomenon where light waves oscillate in multiple planes?
Polarization
Diffraction
Dispersion
Interference
Which of the following is an example of a simple machine?
Lever
Inclined plane
Pulley
All of the above
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
What is the phenomenon where light is separated into its component colors due to refraction and reflection within a material?
Dispersion
Polarization
Diffraction
Interference
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?
Faraday's Law of Electromagnetic Induction
Lenz's Law
Ohm's Law
Ampere's Law