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Watch :3 05:33
Mind-Bending Quadratic Equation Puzzle | JEE Mains Level Concept Explained!
2 views • 1 hour ago Doubtify JEE Main
Watch :3 03:24
Solution of the differential equation xdy - ydx = 0 represents:...| Doubtify JEE
50 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
The differential equation ydy + xdx = dx represents:...| Doubtify JEE
25 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
🎯 JEE Mains Complex Number Trick! 🎯
0 views • 1 day ago Doubtify JEE Main
Watch :3 01:00
The solution of differential equation dy/dx = cos(x - y):...| Doubtify JEE
35 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
Solution of the differential equation xdy - ydx = 0 represents:...| Doubtify JEE
107 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
The angle of elevation of a jet plane from a point A on the ground is 60°. After a...| Doubtify JEE
74 views • 9 months ago Doubtify JEE Main
Watch :3 01:00
Figure shows a crude type of atomizer. When bulb A is compressed, air flows swiftly...| Doubtify JEE
44 views • 9 months ago Doubtify JEE Main
Watch :3 01:00
A glass flask of volume 200 cm³ is just filled with mercury at 20°C. The amount of...| Doubtify JEE
89 views • 9 months ago Doubtify JEE Main
Watch :3 04:26
Work done in cyclic process is...| Doubtify JEE
249 views • 8 months ago Doubtify JEE Main
Watch :3 01:00
If a gas of volume 10 L is expanded to quadruple its volume at 4 atm pressure, the...| Doubtify JEE
62 views • 7 months ago Doubtify JEE Main
Watch :3 01:00
Important Formula Chart for Mechanical Properties of Solids | JEE Formula Chart | Doubtify JEE
116 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
The differential equation ydy/dx + x = c represents:...| Doubtify JEE
20 views • 5 months ago Doubtify JEE Main
Watch :3 01:00
Integrating factor of x dy/dx - y = x⁴ - 3x is:...| Doubtify JEE
39 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
The equation a(x - b)(x - c) / (a - b)(a - c) + b(x - c)(x - a)/(b - c)(b -...| Doubtify JEE Main
1K views • 1 week ago Doubtify JEE Main
Watch :3 01:00
The degree of the differential equation [1 + (dy/dx)²]³/² = d²y/dx² is :...| Doubtify JEE
91 views • 7 months ago Doubtify JEE Main
Watch :3 01:00
Solution of the differential equation tany.sec²xdx + tanx.sec²ydy = 0 is:...| Doubtify JEE
21 views • 6 months ago Doubtify JEE Main
Watch :3 01:00
The mean deviation about the median for the following data is : 7, 5, 4, 3, 2, 11,...| Doubtify JEE
162 views • 10 months ago Doubtify JEE Main
Watch :3 01:00
The speed of sound in hydrogen at NTP is 1270 m/s. Then the speed in m/s in a mixture.| Doubtify JEE
246 views • 11 months ago Doubtify JEE Main
Watch :3 01:00
Family y = Ax + A³ of curves will correspond to a differential equation of order :...| Doubtify JEE
39 views • 6 months ago Doubtify JEE Main
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A square gate of size 1 m × 1 m is hinged at its mid-point and is free to rotate...| Doubtify JEE
34 views • 9 months ago Doubtify JEE Main
Watch :3 01:00
Under the influence of the coulomb field of charge +Q, a charge -q is moving around...| Doubtify JEE
46 views • 11 months ago Doubtify JEE Main
Watch :3 01:00
If acosθ + bsinθ = 3 and asinθ - bcosθ = 4, then a² + b² has the value : (1) 25 (2)..| Doubtify JEE
110 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
The differential equation of all circles passing through the origin and having...| Doubtify JEE
51 views • 6 months ago Doubtify JEE Main
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For the equation |x²| + |x| - 6 = 0, the roots are:...| Doubtify JEE Main
47 views • 1 month ago Doubtify JEE Main
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If α, β are roots of ax² + bx + c = 0, then the equation ax² - bx(x - 1) + c...| Doubtify JEE Main
48 views • 2 weeks ago Doubtify JEE Main
Watch :3 01:00
A gas of monoatomic hydrogen is bombarded with a stream of electrons that have been...| Doubtify JEE
36 views • 9 months ago Doubtify JEE Main
Watch :3 01:00
The mode of the following distribution is :(1) 36 (2) 37.3 (3) 38 (4) 39...| Doubtify JEE
33 views • 10 months ago Doubtify JEE Main
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The variance of the following data is : 6, 7, 8, 12, 13, 15(1) 12.05 (2) 11.14 (3...| Doubtify JEE
47 views • 10 months ago Doubtify JEE Main
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The general solution of sec θ + tan θ = √3 is:...| Doubtify JEE Main
196 views • 1 month ago Doubtify JEE Main
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A photoelectric material having work function ϕ₀ is illuminated with light of...| Doubtify JEE
17 views • 7 months ago Doubtify JEE Main
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If tanα + cotα = a, then the value of tan⁴α + cot⁴α is equal to : (1) a⁴ + 4a² + 2...| Doubtify JEE
53 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
If P.E. of a system is given by relation U = A/x² - B/x, where A and B are positive...| Doubtify JEE
35 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
The mean deviation about the mean for the following data :(1) 25 (2) 22.4 (3) 31.5..| Doubtify JEE
137 views • 10 months ago Doubtify JEE Main
Watch :3 01:00
Equal masses of three liquids A, B and C have temperatures 10°C, 25°C and 40°C...| Doubtify JEE
69 views • 8 months ago Doubtify JEE Main
Watch :3 01:00
A large cylindrical tank has a hole of area A at its bottom and water is poured into..| Doubtify JEE
48 views • 9 months ago Doubtify JEE Main