50 Examples of Balanced Chemical Equations with Answers 50 Examples of Balanced Chemical Equations with Answers A comprehensive guide to understanding and balancing chemical reactions Balvir Sir M.sc in Zoology Published: April 13, 2025 Chemical equations are the symbolic representations of chemical reactions where the reactants on the left transform into products on the right. … Read more
Exercise 1.3 Solutions – Real Numbers (Class 10) class 10 maths chapter 2 exercise 2.2 Quadratic Polynomials – Middle Term Splitting Method Question 1: Find the zeroes and verify relationships (i) x² – 2x – 8 Step 1: Factorize using middle term splitting x² – 2x – 8 = x² – 4x + 2x – … Read more
Human Eye and Colourful World Class 10 PDF Notes Download | Asterisk Classes Human Eye and Colourful World Class 10 PDF Notes Download The chapter “The Human Eye and the Colourful World” is an essential part of Class 10 Science. It deals with the human eye, the nature of light, and phenomena like refraction, dispersion, … Read more
Exercise 1.3 Solutions – Real Numbers (Class 10) Exercise 1.3 Solutions – Real Numbers (Class 10) Irrational Numbers Proofs 1. Prove that √5 is irrational. Proof by contradiction: Assume √5 is rational. Then it can be expressed as a ratio of two coprime integers: √5 = p/q, where q ≠ 0 and HCF(p,q) = 1 … Read more
Exercise 1.2 Solutions – Real Numbers (Class 10) 1. Express each number as a product of its prime factors (i) 140 140 = 2 × 70 70 = 2 × 35 35 = 5 × 7 ∴ 140 = 2 × 2 × 5 × 7 = 2² × 5 × 7 (ii) 156 156 … Read more
Electric Motor Electric Motor What is an Electric Motor? An electric motor is a device that converts electrical energy into mechanical energy. It works on the principle of the magnetic effect of electric current and is widely used in various applications, from household appliances to industrial machinery. Construction of an Electric Motor An electric motor … Read more
Force on a Current-Carrying Conductor in a Magnetic Field Force on a Current-Carrying Conductor in a Magnetic Field What is the Force on a Current-Carrying Conductor? When a current-carrying conductor is placed in a magnetic field, it experiences a force. This phenomenon is the basis for many electrical devices, such as electric motors and galvanometers. … Read more
Magnetic Field Due to Current-Carrying Conductors Magnetic Field Due to Current-Carrying Conductors What is a Magnetic Field Due to Current? When an electric current flows through a conductor, it produces a magnetic field around it. The shape and strength of the magnetic field depend on the geometry of the conductor (straight wire, coil, or solenoid) … Read more
Magnetic Field and Field Lines Magnetic Field and Field Lines What is a Magnetic Field? A magnetic field is a region around a magnet or a current-carrying conductor where magnetic forces can be detected. It is a vector quantity, meaning it has both magnitude and direction. Magnetic Field Lines Magnetic field lines are imaginary lines … Read more
Oersteds Experiment Oersted’s Experiment What is Oersted’s Experiment? Oersted’s Experiment, conducted by Hans Christian Oersted in 1820, was a groundbreaking discovery that demonstrated the relationship between electricity and magnetism. It showed that an electric current produces a magnetic field around it. Oersted’s Experiment Setup Oersted set up a simple experiment to observe the effect of … Read more