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Swipe through quick concepts. Every interaction earns points.
Ananya (Class 12)
Physics
Trick: remember lens formula signs in 30 seconds
Distances measured against the incoming light are negative. Draw the ray first, then apply 1/v - 1/u = 1/f. Sign errors vanish once the diagram is right.
Dr. Mehra
Biology
NEET: Human heart in one minute
Right side handles deoxygenated blood, left side oxygenated. Valves: tricuspid (right), bicuspid (left). SA node fires first — that is your pacemaker question.
Kabir (JEE 2026)
Mathematics
Integration by parts — the ILATE order
Inverse, Logarithmic, Algebraic, Trigonometric, Exponential. Whichever comes first in ILATE becomes your first function. Practise 5 sums daily for a week.
Meera Ma'am
English
Active to passive in 3 steps
1) Object becomes subject. 2) Verb becomes 'be' + past participle. 3) Old subject goes after 'by'. Try: 'Ravi writes poems' → 'Poems are written by Ravi'.