Who is credited with the theory of relativity, which revolutionized modern physics?
Correct Answer: 2
Which subatomic particle was discovered by J.J. Thomson, leading to the development of the plum pudding model of the atom?
Correct Answer: 3
What phenomenon describes the emission of light by atoms when they are subjected to high temperatures or electrical currents?
Correct Answer: 4
Which scientist proposed the uncertainty principle, stating that the position and momentum of a particle cannot be simultaneously measured with arbitrary precision?
Correct Answer: 1
What is the term for the process by which a nucleus of an unstable atom loses energy by emitting radiation?
Correct Answer: 3
Which particle, discovered in 1932 by James Chadwick, has no electric charge and is found in the nucleus of an atom?
Correct Answer: 3
What is the fundamental unit of energy in the International System of Units (SI), defined as the energy transferred or expended in one second by one watt of power?
Correct Answer: 1
Which theory describes the behavior of subatomic particles, such as electrons and protons, in terms of wave-like properties?
Correct Answer: 1
What is the term for the process in which a particle and its corresponding antiparticle collide and annihilate, releasing energy in the form of photons?
Correct Answer: 4
Which phenomenon, observed in the early 20th century, describes the change in frequency and wavelength of electromagnetic radiation when it interacts with matter?
Correct Answer: 2
Who proposed the theory of relativity?
Correct Answer: 2
Which phenomenon describes the emission of electrons from a metal surface when exposed to light of sufficiently high frequency?
Correct Answer: 1
What is the fundamental unit of energy in quantum mechanics?
Correct Answer: 4
Which subatomic particle is responsible for carrying the electromagnetic force?
Correct Answer: 4
What is the term for the process by which a nucleus emits radiation and transforms into a different nucleus?
Correct Answer: 3
What is the mass-energy equivalence principle expressed by the famous equation E=mc^2?
Correct Answer: 3
Which property of a particle can be represented by its wave function in quantum mechanics?
Correct Answer: 3
What term describes the simultaneous existence of a particle in multiple states until it is observed?
Correct Answer: 1
What is the term for the smallest indivisible unit of a chemical element?
Correct Answer: 2
What phenomenon describes the bending of light as it passes through a medium with different refractive indices?
Correct Answer: 3
Which of the following particles is NOT a fundamental constituent of an atom?
Correct Answer: 4
Which experiment confirmed the wave-particle duality of light, suggesting that light behaves both as waves and particles?
Correct Answer: 3
Who proposed the uncertainty principle, stating that the position and momentum of a particle cannot be simultaneously measured with arbitrary precision?
Correct Answer: 1
What term describes the phenomenon where a particle exhibits the properties of both matter and antimatter?
Correct Answer: 1
What is the fundamental force responsible for holding the nucleus of an atom together?
Correct Answer: 4
Which particle is exchanged between nucleons to mediate the strong nuclear force?
Correct Answer: 3
What term describes the process in which a heavy nucleus splits into two or more lighter nuclei, releasing a large amount of energy?
Correct Answer: 2
Which particle is responsible for mediating the electromagnetic force between charged particles?
Correct Answer: 1
What theory describes the fundamental forces of nature as mediated by exchange particles and explains the behavior of particles at the subatomic level?
Correct Answer: 3
What does E=mc? represent?
Correct Answer: 3
Which phenomenon describes the emission of electrons from a metal surface when exposed to light?
Correct Answer: 1
Who discovered the concept of quantization of energy levels in atoms?
Correct Answer: 3
What is the fundamental unit of light?
Correct Answer: 1
Which subatomic particle was discovered by J.J. Thomson in 1897?
Correct Answer: 3
What is the process by which unstable atomic nuclei decay and emit radiation called?
Correct Answer: 3
Who proposed the wave-particle duality theory, suggesting that particles like electrons can exhibit both wave-like and particle-like behavior?
Correct Answer: 3
Which theory describes the behavior of matter and energy on the atomic and subatomic scales?
Correct Answer: 2
What is the term for the smallest unit of an element that retains its chemical properties?
Correct Answer: 1
He mass of 700 N man moving in car at 66 km h-1 is
Correct Answer: 1
An inertial frame of reference is the frame
Correct Answer: 4
In photocell caesium, coated oxidized silver cathode emits electrons for
Correct Answer: 3
Pecial theory of relativity treats problems involving
Correct Answer: 1
According to special theory of relativity which one is not an absolute quantity?
Correct Answer: 4
Radiation with energy that is easily detected as quanta
Correct Answer: 3
According to the theory of relative mass of an object is
Correct Answer: 2
In e/m experiment, we assume nature of electron as
Correct Answer: 2
Quantum effects are important only when observing
Correct Answer: 3
The statement saying that energy is radiated or absorbed in discrete packets is given by
Correct Answer: 1
Phenomena that cannot be understood with the frame work of classical physics is
Correct Answer: 4
The max K.E of photo electrons depend upon light's
Correct Answer: 2
Which principle states that the position and momentum of a particle cannot both be precisely measured simultaneously?
Correct Answer: 2
What is the equation that describes the energy of a photon in terms of its frequency?
Correct Answer: 2
Which theory provides a description of gravity at very small scales and in strong gravitational fields, often at the quantum level?
Correct Answer: 4
What is the concept in quantum mechanics that describes a system's state as a superposition of multiple possible states until it is measured?
Correct Answer: 2
Which of the following experiments demonstrated the wave-particle duality of electrons?
Correct Answer: 3