WBBSE Class 10 Physical Science Question Answer West Bengal Board
WBBSE Class 10 Physical Science Book Solutions West Bengal Board in English Medium
- Chapter 1 Concerns About Our Environment
- Chapter 2 Behaviour of Gases
- Chapter 3 Chemical Calculations
- Chapter 4 Thermal Phenomena
- Chapter 5 Light
- Chapter 6 Current Electricity
- Chapter 7 Atomic Nucleus
- Chapter 8 Physical and Chemical Properties of Matter
WBBSE Class 10 Physical Science Book Solutions West Bengal Board in Hindi Medium
- Chapter 1 अपने पर्यावरण के प्रति अभिरुचि
- Chapter 2 गैसों का व्यवहार
- Chapter 3 रासायनिक परिकलन
- Chapter 4 उष्मीय घटनायें
- Chapter 5 प्रकाश
- Chapter 6 धारा विद्युत
- Chapter 7 परमाणु नाभिक
- Chapter 8 पदार्थ के भौतिक और रासायनिक गुण
WBBSE Class 10 Physical Science Syllabus West Bengal Board 2024
Chapter 1 Concerns About Our Environment
Chapter 1.1 Physical Science and Environment:
How can we interpret our environment in terms of physical science? – Structure of the atmosphere, The ozone layer, Greenhouse effect, and global warming.
Chapter 1.1 Rational Use of Energy:
Should we not conserve energy for future generations? – Harnessing energy resources for sustainable development.
Chapter 2 Behaviour of Gases
Chapter 2.1 Behaviour in the Bulk:
How does a gas behave under different conditions? – Pressure exerted by a gas and its volume, Boyle’s law, Charles’ law, Absolute temperature scale, Corrjbining Boyle’s and Charles’ laws, Ideal gas, Avogadro’s law, Ideal gas equation.
Chapter 2.2 Behaviour at the Molecular Level:
How can we describe behaviour of gases at the molecular level? – Molecular picture of an ideal gas, Deviation from ideal behaviour.
Chapter 3 Chemical Calculations
Chapter 3.1 Stoichiometric Equations:
How to answer ‘how much?’ – Conservation of mass in chemical reactions, Weight versus weight calculations.
Chapter 4 Thermal Phenomena
Chapter 4.1 Thermal Expansion:
How do different materials expand on heating? – Coefficient of expansion for solids, liquids, and gases.
Chapter 4.2 Thermal Conduction:
Does heat flow equally well through all solids? – Thermal conductivity.
Chapter 5 Light
Chapter 5.1 Reflection at Spherical Mirror:
What happens when the reflecting surface of a mirror is convex or concave? – Reflection of light at the spherical surface, Geometry of a spherical mirror, Reflection in the spherical mirror.
Chapter 5.2 Refraction of Light:
What happens when a light ray travels from one medium to another? – Laws of refraction, Familiarity with the structure of a glass slab and a prism, Refraction through a glass slab and a prism. Deviation of light rays due to refraction.
Chapter 5.3 Lenses:
How does a lens differ from a glass slab? – Familiarity with the structure of spherical lenses (concave and convex), Refraction through a lens (convex and concave), Image formation by thin lenses, Simple camera, and the Human eye as application image formation by a lens.
Chapter 5.4 Dispersion of Light:
What happens when white light passes through a prism?
Dispersion of white light as a result of refraction through a glass slab and a prism the idea of monochromatic and polychromatic and polychromatic light.
Chapter 5.5 Light Wave:
What kind of wave is a light wave, and how many different kinds of light waves are there? – Frequency, wavelength, and velocity of a wave, Uses and adverse effects of UV, X-ray, and gamma-ray, and Scattering of light.
Chapter 6 Current Electricity
Chapter 6.1 Electric Current, Potential Difference & EMF:
How does the charge start moving? – Electric charge, Electric potential difference, EMF, and electrical cell as a source of EMF, Electric current.
Chapter 6.2 Ohm’s Law:
What is resistance? – Relation between potential difference and current in a wire: Concept of resistance from Ohm’s law, EMF and internal resistance of a cell, Resistivity and conductivity, Series and parallel combination of resistances, Domestic circuits.
Chapter 6.3 Heating Effect of Electric Current:
How do we measure the consumption of electrical energy? – Joule’s law on the heating effect of current: Concept of electrical energy, Domestic uses of the heating effect of current.
Chapter 6.4 Electrical Power:
Electrical Power, the concept of a kilowatt-hour, B.O.T.
Chapter 6.5 Electromagnetism:
How does a current-carrying wire interact with a magnet? – Action of electric current on magnet: Ampere’s swimming rule, right-hand grasp rule, Action of magnet on current carrying wire: Fleming’s left-hand rule, Working principle of the motor.
Chapter 6.6 Electromagnetic Induction:
How can we get electricity from motion? – Concept of induced EMF and induced current, Basic idea of direct current and alternating current.
Chapter 6.7 Electric Generator:
How does a generator work? – Working principle and functioning of an electric generator.
Chapter 6.8 Domestic Electrical Circuit:
How are electrical wirings done in households? – Components used in domestic electrical circuit, Schematic representation of domestic electrical circuit in simplest form.
Chapter 7 Atomic Nucleus
Chapter 7.1 Radioactivity:
What is radioactivity and how is it related to the atomic nucleus? – Nature of α, β and γ rays, and their origin.
Chapter 7.2 Nuclear energy:
How can we get energy from the nucleus? – Concept of mass defect binding energy and fission, Fusion.
Chapter 8 Physical and Chemical Properties of Matter
Chapter 8.1 Periodic Table and Periodicity of the Properties of Elements:
What is meant by periodicity? – Brief history of the periodic table, Modern periodic table, Periodicity of properties of elements.
Chapter 8.2 Ionic and Covalent Bonding:
What holds the ions in a solid or atoms in a molecule? – Properties of ionic compounds, Ionic bonding, Properties of covalent compounds, Covalent bonding.
Chapter 8.3 Electricity and Chemical Reactions:
How are electricity and chemical changes related? – Electrolytes, Strong and weak electrolytes, Mechanism of electrical conduction in molten/solution states, Electrolysis, Applications of electrolysis.
Chapter 8.4 Inorganic Chemistry in the Laboratory and Industry:
Just how important are the inorganic chemicals? – Laboratory preparation of ammonia, Properties of ammonia, Major industrial uses and industrial manufacture of NH3 and urea, Laboratory preparation of hydrogen sulfide, Properties of H2S, Laboratory preparation and major uses of N2, Properties of N2, Industrial manufacture of HCl, HNO3, and H2SO4.
Chapter 8.5 Metallurgy:
How can we get the metals from their ores and use them? – Uses of Fe, Cu, Zn, and Al and their alloys, Ores, and minerals, Brief introduction to electronic theory of redox processes, Example of Thermite reaction, Metal corrosion: (a) Rusting of iron and its prevention (b) Corrosion of other metals and its health implications.
Chapter 8.6 Organic Chemistry:
How are some carbon compounds distinctly different from inorganic compounds of carbon? – Organic compounds are compounds of carbon, Tetravalency and catenation property of carbon, Structures of C2H6, C2H4, C2H2, Functional groups, Isomerism, Homologous series, IUPAC nomenclature of simple organic compounds, Industrial source and major uses of CH4, C2H4, C2H2, LPG & CNG, Reactions of CH4, C2H4, C2H2, Some other synthetic organic polymers, Biodegradable polymers, Uses and properties of ethyl alcohol and acetic acid, Harmful effects of methanol and ethanol, Denatured spirit.
WBBSE Class 10 Physical Science Blueprint for 1st Summative Evaluation (Total Marks – 40)
| Theme/Sub-theme | MCQ (Group A) | VSA (Group B) | SA (Group C) | LA (Group D) | Total |
| 1. Concerns About Our Environment | 1 × 1 | 1 × 2 | 2 × 1 | – | 5 |
| 2. Behaviour of Gases | 1 × 1 | 1 × 2 | 2 × 1 | 3 × 1 | 8 |
| 3. Light | 1 × 3 | 1 × 3 | 2 × 1 | 3 × 2 | 14 |
| 4. Periodic Table and Periodicity of the Properties of Elements | 1 × 1 | 1 × 1 | 2 × 1 | 3 × 1 | 7 |
| 5. Ionic and Covalent Bonding | 1 × 1 | 1 × 1 | 2 × 2 | – | 6 |
| Total | 7 | 9 | 12 | 12 | 40 |
WBBSE Class 10 Physical Science Blueprint for 2nd Summative Evaluation (Total Marks – 40)
| Theme/Sub-theme | MCQ (Group A) | VSA (Group B) | SA (Group C) | LA (Group D) | Total |
| 1. Chemical Calculations | 1 × 1 | 1 × 1 | – | 3 × 1 | 5 |
| 2. Thermal Phenomena | 1 × 1 | 1 × 2 | – | 3 × 1 | 6 |
| 3. Current Electricity | 1 × 2 | 1 × 2 | 2 × 1 | 3 × 2 | 12 |
| 4. Electricity and Chemical Reactions | 1 × 1 | 1 × 2 | – | 3 × 1 | 6 |
| 5. Inorganic Chemistry in the Laboratory and in Industry | 1 × 1 | 1 × 1 | 2 × 1 | 3 × 1 | 7 |
| 6. Metallurgy | 1 × 1 | 1 × 1 | 2 × 1 | – | 4 |
| Total | 7 | 9 | 6 | 18 | 40 |
WBBSE Class 10 Physical Science Blueprint for 3rd Summative Evaluation/Selection Test (Total Marks – 90)
| Theme/Sub-theme | MCQ (Group A) | VSA (Group B) | SA (Group C) | LA (Group D) | Total |
| 1. Concerns about Our Environment | 1 × 1 | 1 × 2 | 2 × 1 | – | 5 |
| 2. Behaviour of Gases | 1 × 1 | 1 × 2 | 2 × 1 | 3 × 1 | 8 |
| 3. Chemical Calculations | 1 × 1 | – | – | 3 × 1 | 4 |
| 4. Thermal Phenomena | 1 × 1 | 1 × 1 | – | 3 × 1 | 5 |
| 5. Light | 1 × 2 | 1 × 2 | 2 × 1 | 3 × 2 | 12 |
| 6. Current Electricity | 1 × 2 | 1 × 2 | 2 × 1 | 3 × 2 | 12 |
| 7. Atomic Nucleus | 1 × 1 | 1 × 1 | – | 3 × 1 | 5 |
| 8. Periodic Table and Periodicity of the Properties of Elements | 1 × 1 | 1 × 2 | – | 3 × 1 | 6 |
| 9. Ionic and Covalent Bonding | 1 × 1 | 1 × 1 | 2 × 2 | – | 6 |
| 10. Electricity and Chemical Reactions | 1 × 1 | 1 × 2 | – | 3 × 1 | 6 |
| 11. Inorganic Chemistry in the Laboratory and Industry | 1 × 1 | 1 × 2 | 2 × 1 | 3 × 1 | 8 |
| 12. Metallurgy | 1 × 1 | 1 × 2 | 2 × 1 | – | 5 |
| 13. Organic Chemistry | 1 × 1 | 1 × 2 | 2 × 1 | 3 × 1 | 8 |
| Total | 15 | 21 | 18 | 36 | 90 |