NEET Practice Questions (MCQs) with Answers & Solutions

Astrophysics is the branch of physics that deals with the study of the birth, evolution, and death of stars, as well as other celestial phenomena. It combines the principles of physics and astronomy to understand how the universe behaves on a large scale. NEET students should remember that 'Astro' refers to stars or celestial objects, making 'Astrophysics' the correct answer.

Thermodynamics is the branch of physics that deals with the study of heat and temperature and their relation to energy and work. This includes the efficiency of heat engines and refrigerators. NEET students should remember that 'Thermo' relates to heat, making 'Thermodynamics' the correct answer.

The full name of LHC is the Large Hadron Collider. It is the world's largest and highest-energy particle collider, located at CERN. It is used to study particle physics by colliding hadrons, such as protons, at very high speeds. NEET students should remember that 'Hadron' refers to the particles being collided in this context, making 'Large Hadron Collider' the correct answer.

The length of galaxies is typically in the order of $10^{21} m$ to $10^{25} m$. Therefore, the closest option is $10^{26} m$.

The charge of an electron is approximately $1.6 imes 10^{-19} C$. Hence, the correct value is $10^{-19} C$.

The universe is composed of both matter and radiation. Matter includes everything that has mass and occupies space, such as planets, stars, and galaxies. Radiation refers to energy that travels through space, such as light and cosmic microwave background radiation. Hence, the correct answer is 'matter and radiation'.

The nucleus of an atom is made up of protons and neutrons. Protons are positively charged particles, while neutrons are neutral particles. Electrons are negatively charged particles that orbit the nucleus. Therefore, the correct answer is 'proton and neutron'.

Atomic Force Microscopy (AFM) has played a crucial role in the development of nanotechnology and biotechnology. AFM allows scientists to observe and manipulate materials at the nanoscale, making it an essential tool for advancements in these fields. The correct answer is 'AFM'.

AFM stands for Atomic Force Microscope. It is a type of scanning probe microscope with a resolution on the order of fractions of a nanometer, more than 1000 times better than the optical diffraction limit.