1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
The total energy of an electron in an atom in an orbit is –3.4 eV. Its kinetic and potential energies are, respectively.
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
The ratio of kinetic energy to the total energy
of an electron in a Bohr orbit of the hydrogen
atom, is
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
For a radioactive material, half-life is 10
minutes. If initially there are 600 number of
nuclei, the time taken (in minutes) for the
disintegration of 450 nuclei is
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Radioactive material 'A' has decay constant '8 $$\lambda $$' and material 'B' has decay constant '$$\lambda $$'. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be e ?
Questions Asked from Atoms and Nuclei (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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NEET Subjects
Physics
Mechanics
Units & Measurement Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Properties of Matter Heat and Thermodynamics Oscillations Waves
Electricity
Electrostatics Current Electricity Capacitor Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current Electromagnetic Waves
Optics
Modern Physics
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Structure of Atom Redox Reactions Gaseous State Chemical Equilibrium Ionic Equilibrium Solutions Thermodynamics Electrochemistry Chemical Kinetics Nuclear Chemistry Solid State Surface Chemistry
Inorganic Chemistry
Periodic Table and Periodicity Chemical Bonding and Molecular Structure Processes of Isolation of Elements s-Block Elements Hydrogen p-Block Elements d and f Block Elements Coordination Compounds Environmental Chemistry
Organic Chemistry
Biology
Botany
Cell - The Unit of Life Biomolecules Cell Cycle and Cell Division Sexual Reproduction in Flowering Plants Microbes in Human Welfare Anatomy of Flowering Plants Transport in Plants Mineral Nutrition Respiration in Plants Biotechnology: Principles and Processes Biodiversity and Conservation The Living World Biological Classification Morphology of Flowering Plants Photosynthesis in Higher Plants Principles of Inheritance and Variation Molecular Basis of Inheritance Strategies for Enhancement in Food Production Biotechnology and It's Applications Organisms and Populations Environmental Issues Plant Kingdom Plant Growth and Development Ecosystem
Zoology
Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution