Which type of electromagnetic wave has the highest frequency?
Gamma rays
Radio waves
X-rays
Microwaves
Correct Answer :
A. Gamma rays
Related Questions
What is the SI unit of half-life in radioactive decay?
Second
Year
Joule
Becquerel
Which of the following is an example of a longitudinal wave?
Sound wave
Light wave
X-ray
Radio wave
Which type of lens is thinner in the center and thicker at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
What is the phenomenon where a wave undergoes a change in direction due to a change in medium?
Reflection
Diffraction
Refraction
Interference
What is the SI unit of electric charge in the CGS system?
Statcoulomb
Coulomb
Ampere-hour
Franklin
What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?
Reflection
Diffraction
Refraction
Constructive interference
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
What is the process by which a solid changes directly into a gas without passing through the liquid phase?
Evaporation
Sublimation
Condensation
Melting
What is the SI unit of inductance?
Henry
Farad
Ohm
Volt
What is the process of a solid changing directly into a gas called?
Evaporation
Sublimation
Condensation
Melting
What is the unit of electric current in the CGS system?
Ampere
Coulomb
Statampere
Ohm
Which of the following is a non-contact force?
Friction
Tension
Gravity
Magnetic force
What is the SI unit of energy?
Joule
Watt
Newton
Volt
What is the SI unit of electric potential difference?
Volt
Ampere
Ohm
Watt
What is the SI unit of magnetic field strength in the CGS system?
Oersted
Tesla per meter
Ampere per meter
Weber
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
What is the process by which a material becomes magnetized when placed in a magnetic field?
Induction
Magnetization
Polarization
Ferromagnetism
What is the SI unit of angular acceleration?
Rad/s²
m/s²
Hz
Nm
What is the process by which a gas changes into a solid without passing through the liquid phase?
Vaporization
Deposition
Sublimation
Condensation
What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?
Conduction
Induction
Charging by friction
Polarization
Which type of lens is thicker in the center and thinner at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
What is the SI unit of pressure?
Pascal
Newton
Joule
Watt
Which of the following statements about electric fields is true?
Electric fields always point towards positive charges.
Electric fields are vectors and have both magnitude and direction.
Electric fields only exist inside conductors.
Electric fields do not interact with magnetic fields.
What is the formula for calculating electric power in a circuit?
P = VI
P = V²/R
P = I²R
P = V/R
What is the SI unit of momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
Which of the following statements about wave speed is true?
It is determined by frequency and wavelength.
It is independent of the medium through which the wave travels.
It is inversely proportional to amplitude.
It is a scalar quantity.
Which law states that the total momentum of an isolated system remains constant if no external forces act on it?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Conservation of Momentum
What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
Which of the following is a measure of the amount of matter in an object?
Mass
Weight
Volume
Density