What are the changes done in the Mathematics portion class 10 ICSC 2020-21 batch. please be serious about the question. don't send the online P.D.F
Answers
A Quick look at the cancellations std X
MATHS:
Shares and Dividends
Geometric Progression
Loci
Similarity (size transformation, maps n models)
Circles - tangents n secants 3 proofs cancel.
Ratio proportion - direct applications cancel.
PHYSICS:
Machines-
Lever
Lens-
Simple Direct numerical problems of power of a lens
Magnifying glass or simple microscope
Location of image or magnification from Ray diagram only
(Only definitions and basic understanding based on the curvature or thickness of lens to do)
Spectrum-
Simple applications of scattering of light eg. Blue color of sky
Sound-
Characteristics of sound, loudness and intensity, subjective and objective nature of these properties, sound level in db, noise pollution, interdependence of pitch and frequency, quality and waveforms ( with examples)
(Only meaning of terms and the factors affecting them, no examples needed to do )
House hold circuits-
House wiring (ring system) ,power distribution, circuit diagram,two way switch, staircase wiring
Electromagnetism-
Transformer
Simple sketch of main parts(coil,magnet, split ring, commuters and brushes) brief description and type of energy transfer
Simple sketch of main parts (ac generator)
Transformer - it's types, characteristics of primary and secondary coils in each type
Radioactivity-
Nuclear fission and fusion, basic introduction to equations.
CHEMISTRY:
Mole concept n Stoichiometry (except: VD, EF, MF, %, ratio of masses)
Organics: Alcohol and Carboxylic acid.
BIOLOGY:
Chemical coordination in Plants
Human Evolution
Pollution
Population (Except surgical method of population control)