Text Question Q 1 What does an electric circuit mean ?Answer: A continuous and closed path along which an electric current flows is called an electric circuit. Q 2 Define the unit of current.Answer: Unit of current is ampere. If one coulomb of charge flows through any section of a conductor in one second then […]
Electricity, Chapter 3(Class-10,Physics) Read More »
Text Questions Q 1What is meant by power of accommodation of the eye ?Answer:The power of accommodation of the eye is the maximum variation of its power for focusing on near and far (distant) objects. Q 2A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of
Human Eye & Colorful World, Chapter 2(Class-10,Physics) Read More »
Text Questions Q 1 Define the principal focus of a concave mirror.Answer: The principal focus of a concave mirror is a point on its principal axis to which all the light rays which are parallel and close to the axis, converge after reflection from the concave mirror. Q 2 The radius of curvature of a
Light – Reflection & Refraction , Chapter:1(Class10,Physics) Read More »
Text Question 1. Give an example of a metal which(i) Is a liquid at room temperature.Ans: Mercury(ii) Can be easily cut with a knife.Ans: Sodium(iii) Is the best conductor of heat.Ans: Silver(iv) Is a poor conductor of heat.Ans: Mercury and lead2. Explain the meaning of malleable and ductile.Ans: Malleable: Substances that can be beaten into thin sheets are called malleable. For example, most of
Metals and Non Metals, Class-10(Chemistry) Read More »
Text Question 1. You have been provided with three test tubes. One of them contains distilled water and the other two contain an acidic solution and a basic solution respectively. If you are given only red litmus paper, how will you identify the contents of each test tube?Ans: If the colour of red litmus does not
Acids Bases And Salts, Class-10 Chemistry) Read More »
