Mathematics (Class 10)

Articles on Mathematics (Class 10) for CBSE Class 10 Board.

198 articles · page 11 of 20

Area of Minor and Major Segments of a Circle for CBSE Class 10

Master the area of minor and major segments of a circle for CBSE Class 10 Mathematics. Learn the master formula Sector Area - Triangle Area, methods for central angles 60°, 90°, and 120°, and solved board exam questions.

6 min read

Length of an Arc and Area of Sector of a Circle for CBSE Class 10

Master the length of an arc and area of a sector of a circle for CBSE Class 10 Mathematics. Learn sector formulas θ/360 × πr², major sectors, clock hand angular sweeps (6° per min), and solved board exam questions.

6 min read

Perimeter and Area of a Circle, Rings, and Wheel Revolutions for CBSE Class 10

Master the perimeter and area of a circle, circular rings, and wheel rotation mechanics for CBSE Class 10 Mathematics. Learn formulas for circumference 2πr, semi-circle perimeter r(π+2), ring area π(R²-r²), and revolutions n = Distance / 2πr.

5 min read

Lens Formula, Magnification, and Power of a Lens for CBSE Class 10

Master the Lens Formula (1/v - 1/u = 1/f), Linear Magnification (m = +v/u), and Power of a Lens (P = 1/f) for CBSE Class 10 Science. Learn Cartesian sign rules, Dioptre units, lens combinations, and solved board exam numericals.

6 min read

Refraction by Spherical Lenses and Image Formation for CBSE Class 10

Master refraction by spherical lenses and image formation ray diagrams for CBSE Class 10 Science. Learn convex (converging) vs concave (diverging) lenses, standard ray-tracing rules, 6 object positions of convex lenses, and magnifying glass optics.

5 min read

Refraction of Light, Snell's Law, and Refractive Index for CBSE Class 10

Master the refraction of light, Snell's Law, and refractive index for CBSE Class 10 Science. Explore optical density, glass slab lateral displacement, absolute refractive index n = c/v, and why diamond has the highest refractive index.

6 min read

Mirror Formula, Sign Convention, and Linear Magnification for CBSE Class 10

Master the Mirror Formula, New Cartesian Sign Convention, and Linear Magnification for CBSE Class 10 Science. Learn 1/v + 1/u = 1/f, the meaning of m = -v/u, and step-by-step solved numericals for concave and convex mirrors.

6 min read

Reflection of Light, Spherical Mirrors, and Ray Diagrams for CBSE Class 10

Master the reflection of light, spherical mirrors, and ray diagrams for CBSE Class 10 Science. Learn concave and convex mirror terminology, the 4 ray-tracing rules, image formation tables, dental and vehicle mirror applications, and R = 2f.

6 min read

Circumscribed Triangles and High-Weightage Board Riders for CBSE Class 10

Master circumscribed triangles and high-weightage 5-mark board exam circle riders for CBSE Class 10 Mathematics. Step-by-step complete solution to the famous NCERT 12cm circumscribed triangle problem and external tangent length riders.

6 min read

Tangents, Chords, and Angle Theorems in Circles for CBSE Class 10

Master tangents, chords, and angle theorems in circles for CBSE Class 10 Mathematics. Learn the 90-degree parallel tangents rider (angle AOB = 90°), the angle between two tangents and chord theorem (angle PTQ = 2 angle OPQ), and board exam proofs.

5 min read