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Welcome to the BYJU’S JEE questions and answers page! Students and aspirants can access a huge library of questions covering all the important topics that are included in the JEE syllabus. The questions and answers have been prepared by a group of experienced subject matter experts. Students will find questions framed from Physics, Maths and Chemistry subjects.

The JEE questions and answers discussed here will give a much clearer idea of many JEE topics such as gravitation, thermodynamics, atomic structure, chemical bonding, binomial theorem, quadratic equation, etc. The questions have further been answered in an informative and easy to understand manner.

Alternatively, the questions are very important from an examination point of view and can help in quick revision of the different topics. Additionally, students can also clear their doubts and confusion by referring to these questions regarding any concept or topic. Students will find questions that are both conceptual and descriptive including definitions, principles, formulas, examples of, properties of, and types.

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Answer: An electric field is a force per unit charge and an electric potential is an energy per unit charge. Can electric potential be zero when the electric field is not zero?. Yes, electric potential...
Answer: Metre bridge is an instrument that works on the principle of Wheatstone’s bridge. Metre bridge is used to find the unknown resistance. The metre bridge is sensitive when the resistance of all the...
Answer: Why does breakdown occur in reverse bias?. When a PN junction is reverse biased, meaning the p-side of the diode is connected to the negative terminal of the battery and n-side is connected to...
Answer: The convex lens is thicker in the middle and thinner at the edges. They are converging lenses. The concave mirror is thinner at the middle and thicker at the edges. They are diverging lenses...
Answer: What determines binding energy?. We can determine the Binding energy of a nucleus from its rest mass. Consider the nucleus of an atom of atomic number Z and mass number A. The nucleus will...
Answer: The inner side of the spoon is similar to that of a concave mirror. Concave mirrors form both erect and inverted images. When the object is far from the mirror it will form an inverted image of...
Answer: The capacitance of the capacitor is given by the ratio of the magnitude of the charge on either conductor to the potential difference between the conductors forming the capacitor. The capacitance...
Answer: What happens when light hits a concave lens?. When light hits the concave lens it gets refracted and passes through the lens. The rays of light are diverged by the lens. Diverging meaning bending...
Answer: When the magnets attract or repel each other they exert a force on each other. This property of the magnets is called magnetism. So, What is the source of magnetism in materials? The source of...
Answer: Young's modulus is also known as the tensile modulus. It is the mechanical property of the material by which it can withstand the compression or elongation with respect to the length of the...
Answer: Are all transverse waves polarized?. All transverse waves are not polarised. A transverse wave vibrating in more than one direction is called unpolarized light. The light emitted from the sun,...
Answer: Why is water a transverse wave?. On disturbing the surface of the water, waves spread on the surface of the water. Water waves are an example of transverse waves. In the case of transverse waves,...
Answer: For two mutually exclusive events A and B, the probability of A OR B is given by: P(A∪B) = P(A) + P(B) But if events A and B are not mutually exclusive then probability of A or B is given by:...
Answer: Simple interest for a principal amount P and interest rate R calculated annually or per year is given by: SI = (Principal x Rate x 1)/100 Learn more here: Simple Interest...
Answer: In probability, nCr states the selection of ‘r’ elements from a group or set of ‘n’ elements, such that the order of elements does not matter. The formula to find combinations of elements is:...
Answer: Cross product of two vectors results in a vector quantity always. The resultant vector is perpendicular to the two vectors, hence we get the perpendicular to the plane surface spanned by two...
Answer: In trigonometry, cot or cotangent is one of six trigonometric ratios. In a right-angled triangle, cot of an angle is equal to the ratio of adjacent side and opposite side of angle. Cot x =...
Answer: In statistics, standard deviation (SD) is defined as the measure of change or dispersion of data from the actual mean. Whereas standard error of the mean (SEM) is the measure of variation of...
Answer: The real life examples of parallel lines are: Railway tracks Edges of a ruler Airport runways Parking spaces for cars Zebra crossings at traffic signals And more. Parallel lines do not...
Answer: In geometry, a ray is a part of a line that has a single endpoint and other end of the ray extends indefinitely. An angle is formed when two rays are joined together at their starting point,...
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