[PDF] Download Physics Numerical for Class 10 Here you will find Physics Numericals for Class 10. Each and every topic numericals covered in this article. 🔢 About This Page This page lists all Physics Numerical sets for CBSE Class 10 — chapter-wise, fully solved, with step-by-step working. Covers Light (Mirrors & Lenses), Electricity, and the … Read more
Balancing Chemical Equations Worksheet with Answers Here you will find Balancing Chemical Equations Worksheet with Answers. How to Balance Chemical Reactions Let us begin by defining terms that are relevant to chemical reactions. A chemical change occurs when a new substance is formed with a different composition.An example of a chemical change is when carbon … Read more
Extra Questions for Class 10 Science Chapter 4 Carbon and Its Compounds Q1. Why does carbon forms large number of compounds? Show Answer Answer: Carbon forms large number of compounds because of tetravalency and catenation property. Tetravalency – Carbon has valency 4, to attain noble gas configuration carbon share its valence electrons with other elements … Read more
Q.1. The sky appears dark instead of blue to an astronaut. State its reason. Answer. The sky appears dark to the astronaut as scattering does not take place at very high altitude due to the absence of atmosphere. Q.2. Which phenomenon is responsible for making the path of light visible? Answer. Tyndall effect. Q.3. State … Read more
Q.1. Name the plant Mendel selected for his experiments on genetics.Answer: The plant selected by Mendel for his experiments on Genetics was Pisum sativum. The common name for this plant is sweet pea. Q.2. State the unit of hereditary material found in all living organisms.Answer: The unit of hereditary material found in all living organisms … Read more
Extra Questions for Class 10 Science Chapter 8 How Do Organisms Reproduce Q.1. Give one advantage of the asexual mode of reproduction. Answer: Asexual mode of reproduction occurs very fast as it include processes like budding, fission, etc. While the sexual mode is very slow. Clones can be produced by asexual mode of reproduction but … Read more
Extra Questions for Class 10 Science Chapter 5 Periodic Classification of Elements Q.1. On what basis Mendeleev classify the elements? Answer: Mendeleev classified the elements on the basis of their fundamental property, i.e. atomic mass and chemical properties. He reacted the elements with hydrogen and oxygen and formulaeof the hydrides and oxides of the elements … Read more
Extra Questions for Class 10 Science Chapter 7 Control And Coordination Q.1. Define reflex action. Answer: A reflex action or also known as reflex is the sudden action given in response to any activity. These are the involuntary movement. Reflex action does not involve the conscious part of the brain. The path of impulses in … Read more
Extra Questions Based On Nutrition: Q.1. State the photosynthetic reaction and where does it occur? Answer: The process of photosynthesis occurs in green parts of a plant, basically leaves. The presence of chlorophyll (green pigment) is necessary for photosynthesis to occur and chlorophyll is present in leaves as green dots. The process of the photosynthetic … Read more
Here we are providing numerical problems based on electrical power and energy. These problems are useful for students studying in class 10. Practice these questions to master these topics. Class 10 Numerical Problems Useful for Class 10 Students Topics Covered Electric Power and Energy No. of Questions 70 Type Numerical Problems Numerical Problems on Electric … Read more
Extra Questions for Class 10 Science Chapter 12 Electricity Q.1. Name a device that helps to maintain a potential difference across a conductor.Answer. Cell or battery Q.2. Define 1 volt. Express it in terms of SI unit of work and charge calculate the amount of energy consumed in carrying a charge of 1 coulomb through … Read more
Q.1. Name the type of current: (a) used in household supply. (b) given by a cell.Answer. (a) Alternating current. (b) Direct current. Q.2. State the observation made by Oersted on the basis of his experiment with current carryingconductors.Answer. The electric current passing through a conducting wire produces magnetic effect. Q.3. How will you determine the … Read more
Extra Questions On Class 10 Science Chapter 2 Acids, Bases and Salts Q.1. The pH of a sample of vegetable soup was found to be 6.5. How is this soup likely to taste? Answer Answer. The taste will be slightly sour as it is weakly acidic. Q.2. Which bases are called alkalies? Give an example … Read more
Q.1. For the circuit shown in below Figure, determine (a) the battery voltage V, (b) the total resistance of the circuit, and (c) the values of resistance of resistors R1, R2 and R3, given that the p.d’s across R1, R2 and R3 are 5 V, 2 V and 6 V respectively. Q.2. For the circuit … Read more
Numerical Problems on Electricity Class 10 Science · Electricity SQ Resistance and Resistivity Practice Set 1 Attempt each question before revealing the answer Ch 12 · Electricity 1 Calculate the resistance of a copper wire of length 2m and area of cross section $10^{-6}\text{ m}^2$. Resistivity of copper is $1.7 \times 10^{-8}\text{ }\Omega\text{m}$. ▾ Show … Read more
Extra Questions On Class 10 Science Chemical Reactions and Equations Q.1. In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode? Answer Answer: It is because water contains hydrogen and oxygen in the ratio of 2 : 1. Q.2. Balance the following … Read more
Extra Questions On Reflection and Refraction of Light Reflection is the bouncing back of light when it strikes on a polished surface like mirror. Laws of Reflection: (1) Angle of incidence is equal to the angle of reflection.(2) The incident ray, the reflected ray and the normal at the point of incidence, all lie in … Read more
NUMERICALS BASED ON ELECTRICITY Here we are providing numericals for electricity class 10. Students are suggested to solve all the questions to understand the chapter well. Questions Q.1. What will be the current drawn by an electric bulb of 40 W when it is connected to a source of 220V? Q.2. A bulb is rated … Read more
Q.1. How do we express electric current? Q.2. What is an electric circuit? Q.3. What does a switch do? Q.4. Conventionally, in an electric circuit the direction of electric current is taken as opposite to the direction of the flow of electrons, which are negative charges. Why? Q.5. What is the SI unit of electric … Read more
Understanding the Power of a Lens: Concepts, Formulas, and Numericals When studying optics, understanding how a lens bends light is crucial. Whether you are dealing with a simple magnifying glass or complex optical instruments, the ability of a lens to converge or diverge light rays is measured by its Power. Here is a complete breakdown … Read more
Numerical Problems on Refractive Index Class 10 Science · Light – Reflection and Refraction N Refractive Index & Snell’s Law Practice Set 1 Apply the formulas $n = \frac{c}{v}$ and $\frac{\sin i}{\sin r} = \frac{n_2}{n_1}$ Ch 10 · Light 1 Light travels through water with a speed of $2.25 \times 10^8\text{ m/s}$. What is the … Read more
Download free printable assignments and worksheets of class 10 Science. Free PDF Download- Best collection of notes, important questions, sample papers and NCERT Solution for CBSE Class 10 Science. Below you will find the homework assignment for CBSE Class 10 Light- Reflection and Refraction. Numerical Problems on Spherical Lenses Class 10 Science · Light – … Read more
Download free printable assignments and worksheets of class 10 Science. Free PDF Download- Best collection of notes, important questions, sample papers and NCERT Solution for CBSE Class 10 Science. Below you will find the homework assignment for CBSE Class 10 Light- Reflection and Refraction. NUMERICALS BASED ON CONVEX AND CONCAVE MIRROR NUMERICALS BASED ON CONVEX … Read more
