Real Numbers
Articles on Real Numbers for CBSE Class 10 Board.
187 articles · page 9 of 19
Ohm's Law, Resistance, and Factors Affecting Resistance for CBSE Class 10
Master Ohm's Law, electrical resistance, and resistivity for CBSE Class 10 Science. Learn V = IR, V-I graphs, factors affecting resistance (R = ρ l/A), alloy heating elements, and wire stretching numericals with step-by-step clarity.
7 min read
Electric Current, Potential Difference, and Circuit Fundamentals for CBSE Class 10
Master electric current, potential difference, and circuit diagrams for CBSE Class 10 Science. Learn charge quantization Q = ne, definition of ampere and volt, ammeters and voltmeters connection rules, and circuit component symbols.
6 min read
Frustum of a Cone: Volume, Surface Areas, and Practical Applications for CBSE Class 10
Master the Frustum of a Cone for CBSE Class 10 Mathematics. Learn the geometric derivation of slant height l = √(h² + (r1 - r2)²), Curved Surface Area, Total Surface Area, Volume formulas, and solved NCERT bucket and drinking glass problems.
7 min read
Embankments, Wells, and Fluid Flow Through Pipes for CBSE Class 10
Master well-digging embankment problems and fluid flow through pipes for CBSE Class 10 Mathematics. Learn circular ring embankment formulas, and fluid flow rate mechanics Volume = Area × Speed × Time with step-by-step solved board problems.
6 min read
Conversion of Solid from One Shape to Another for CBSE Class 10
Master the conversion of solids from one shape to another for CBSE Class 10 Mathematics. Learn the conservation of volume principle, melting spheres into cylinders, recasting metallic cones into spheres, and finding coin quantities n = V_large / V_small.
5 min read
Volumes of Combinations of Solids for CBSE Class 10 Mathematics
Master volumes of combinations of solids for CBSE Class 10 Mathematics. Learn the additive volume rule, the solid cone on a hemisphere problem, pen stand conical depressions, and the classic 45 Gulab Jamun 30% sugar syrup problem.
6 min read
Surface Areas of Combinations of Solids for CBSE Class 10 Mathematics
Master surface areas of combinations of solids for CBSE Class 10 Mathematics. Learn the core rule: total surface area equals sum of exposed curved surface areas (CSA), capsule problems, cones on hemispheres, and surmounting blocks.
7 min read
Scattering of Light and the Tyndall Effect for CBSE Class 10 Science
Master the scattering of light and the Tyndall Effect for CBSE Class 10 Science. Learn Rayleigh's scattering law (I ∝ 1/λ⁴), why the sky is blue, why danger signals are red, and why the sun appears reddish at sunrise and sunset.
7 min read
Atmospheric Refraction: Twinkling of Stars and Advanced Sunrise for CBSE Class 10
Master atmospheric refraction for CBSE Class 10 Science. Explore why stars twinkle while planets do not, apparent star elevation, and why advanced sunrise and delayed sunset add 4 minutes of daylight every day.
6 min read
Refraction Through a Glass Prism and Dispersion of Light for CBSE Class 10
Master refraction through a triangular glass prism and dispersion of light for CBSE Class 10 Science. Learn the angle of deviation, Isaac Newton's spectrum and recombination experiments, VIBGYOR wavelength order, and rainbow formation.
6 min read