Echoes Within

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Echoes Within

β€œA voice beyond facts β€” where science meets reflection.”

β€œEchoes Within β€” Learning. Thinking. Sharing.”

Course Content
Physics
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] Physics (15 Marks) 1.Units and Dimensions, 2.Scalar and Vectors, 3.Motion, 4.Friction, 5.Simple Machines, 6.Source of Energy, 7.Work, Energy, Power, 8.Circular Motion, 9.Gravitation, 10.Hydrostatics, 11.Pressure, 12.Heat and Temperature, 13.Quantity of Heat, 14.Thermal Expansion, 15.Transfer of Heat, 16.Waves, 17.Sound, 18.Reflection, 19.Refraction, 20.Spherical mirrors and Lenses, 21.Prism, 22.Human Eye, 23.Microscope, 24.Telescope, 25.Magnets, 26.Electrolysis, 27.Transformer, 28.Electromagnetic induction, 29.Magnetic Effect, 30.Electricity, 31.Astronomy, 32.Zeology
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Chemistry
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] Chemistry (15 marks) 1.General and Language of Chemistry Atoms, Ion, Molecule, Elements, Compounds, Radicals, Valency, Commercial names of compounds, Types of Chemical reaction, Methods of mixture 2.Periodic Table 3.Structure of atom 4.Avogadroe's number and mole concept 5.Chemical bond: Ionic, Covalent and Co-ordinate covalent bond 6.Electrolysis 7.Acid, bace and salt 8.Metals and Metallurgy 9.Non metals and some important gases(H2, N2, O2, NH3, CO2) 10.Organic Chemistry 11.Chemistry in service of Mankind (Plastic, Glass, Cements, Ceramics, Fertilizers, Fibres, Pesticides, Soap and detergents) 12.Environmental Pollution 13.Hardness of water
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Biology -Botany
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] Biology (15 marks) Botany 1.Introduction to botany and its branches 2.Classification: ( Fungi, Plantae, Monera) 3.Cell and Cell division 4. Genetics 5.Adaptation of plants 6.Life cycle of mushroom and fern 7.Environmental Pollution
Biology – Zoology
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] Biology (15 marks) Zoology 1. Introduction to zoology and its branches. 2. Classification: Protista and Animalia 3. Life Cycle of Silkworm, Honeybee and Mosquito with their economic importance 4. Organic Evolution 5. Human Body system (Digestive, Respiratory, Circulatory, Excretory, Nervous, Glandular: Endocrine System and Skeletal) 6.Reproduction: Sexual and Asexual 7. Cromosomes and sex-determination 8.Adaptation: Introduction and types
GK
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] GK and IQ (10 marks) GK: 1.History and Geography 2. Civic sense and polity 3. Economy 4.Science and Technology 5. Culturelanguage and literature 6. Sports 7.Current Affairs 8.Miscellaneous
IQ
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] GK and IQ (10 marks) IQ 1.Sequence and series 2. Coding and Decoding 3. Logical Expression 4. Jumble Words 5.Geometric figures 6. Miscellaneous
English
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] English (15 Marks) 1. Articles 2. Prepositions 3. Tense 4. Voice 5. Transformations 6. Question Tags 7. Concord 8. Conditional 9. Causative verbs 10. Relative Clauses 11. Conjunctions 12. Reported Speech 13. Literary figures and their works 14. Synonyms/ Antonyms
Mathematics
As syllabus for Grade XI Entrance Examination (Science)-2081 [Sainik Awasiya Mahavidyalaya] Maths (20 Marks) 1. Set and Algebra: a. Set, b. Function, c. Polynomial, d. Sequence and series, e. HCF and LCM, f. Surds, g. Indices, h. Rational fractions, i. Equation 2. Arithmetics: a. Percentage b. Time and work c. Profit and Loss, discount and VAT d. Simple and compound interest e. Compound depreciation and population growth. 3. Mensuration a. Area of triangle and quadrilaterals b. Area and volume of cylinder, cone, sphere, prism, and pyramid 4.Geometry a Properties or theorems on triangle, parallelogram and circle 5. Statistics and probability a. Measures of central tendency (mean, median, mode, quartiles) b. Probability 6. Trigonometry
Bridge Course for NEB 11 Science (Post-SEE)

Wave – Summary Note

This lesson, β€œWave”, is ideal for your Bridge Course or Class 10 to Class 11 Science transition, written in a simple, exam-oriented style for students in Nepal.

This summary helps in understanding the basic principles of wave motion, which are fundamental for later chapters in physics, like sound, optics, and electromagnetism.


πŸ”Ή Definition ofΒ Waves

A wave is a disturbance that transfers energy from one place to another without the transfer of matter. Waves play a crucial role in the transmission of sound, light, and energy through various media.

Wave


πŸ”Ή Types of Waves

  1. Mechanical Waves

    • Need a medium to travel (e.g., air, water, solid).

    • Examples: Sound waves, water waves.

    • Further divided into:

      • Transverse waves – particles move perpendicular to the wave direction.

      • Longitudinal waves – particles move parallel to the wave direction.

  2. Electromagnetic Waves

    • Do not need a medium to travel.

    • Can travel through a vacuum.

    • Examples: Light, X-rays, radio waves.


πŸ”Ή Key Terms

Term Definition
Wavelength (Ξ») The distance between two consecutive crests or compressions.
Frequency (f) Number of waves produced per second (Hz).
Amplitude (A) Maximum displacement of a particle from its rest position.
Time Period (T) Time taken to complete one full wave.
Wave Speed (v) The distance a wave travels per second. Formula: v = f Γ— Ξ»

πŸ”Ή Properties of Waves

  • Reflection: Bouncing back of a wave from a surface.

  • Refraction: Bending of waves when they enter a new medium.

  • Diffraction: Spreading of waves around corners or openings.

  • Interference: Overlapping of two or more waves.


πŸ”Ή Examples in Daily Life

  • Sound from a speaker (mechanical, longitudinal)

  • Light from the sun (electromagnetic, transverse)

  • Water waves (mechanical, transverse)


πŸ“ Important Formula

Wave speed (v) = Frequency (f) Γ— Wavelength (Ξ»)

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