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Watch :3 03:24
Solution of the differential equation xdy - ydx = 0 represents:...| Doubtify JEE
46 views • 5 months ago Doubtify JEE Main
Watch :3 05:26
For the equation |x²| + |x| - 6 = 0, the roots are:...| Doubtify JEE Main
46 views • 1 week ago Doubtify JEE Main
Watch :3 01:00
Important Formula Chart for Mechanical Properties of Solids | JEE Formula Chart | Doubtify JEE
112 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
For the equation |x²| + |x| - 6 = 0, the roots are:...| Doubtify JEE Main
46 views • 1 week ago Doubtify JEE Main
Watch :3 01:00
An isotropic point source S of sound emits constant power. Two points A and B...| Doubtify JEE
57 views • 9 months ago Doubtify JEE Main
Watch :3 01:00
A particle of mass 4 kg moves along x-axis, potential energy (U) varies with respect..| Doubtify JEE
58 views • 11 months ago Doubtify JEE Main
Watch :3 01:00
A photoelectric material having work function ϕ₀ is illuminated with light of...| Doubtify JEE
15 views • 5 months ago Doubtify JEE Main
Watch :3 01:00
Assuming the temperature to be constant, as we go up in the atmosphere, the velocity..| Doubtify JEE
59 views • 10 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
69 views • 7 months ago Doubtify JEE Main
Watch :3 01:00
The differential equation ydy + xdx = dx represents:...| Doubtify JEE
24 views • 4 months ago Doubtify JEE Main
Watch :3 01:00
If A lies in the second quadrant and 3tanA + 4 = 0, then the value of 2cotA - 5cosA...| Doubtify JEE
81 views • 1 year ago Doubtify JEE Main
Watch :3 01:00
Solution of the differential equation xdy - ydx = 0 represents:...| Doubtify JEE
82 views • 5 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
59 views • 6 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
43 views • 10 months ago Doubtify JEE Main
Watch :3 01:00
Five rods of same dimensions are arranged as shown in the figure. They have thermal...| Doubtify JEE
37 views • 7 months ago Doubtify JEE Main
Watch :3 04:26
Work done in cyclic process is...| Doubtify JEE
221 views • 6 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
34 views • 5 months 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
33 views • 7 months ago Doubtify JEE Main
Watch :3 01:00
A balloon is ascending vertically with an acceleration of 1 m/s². Two stones are...| Doubtify JEE
44 views • 3 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 • 8 months ago Doubtify JEE Main
Watch :3 01:00
The differential equation ydy/dx + x = c represents:...| Doubtify JEE
20 views • 4 months ago Doubtify JEE Main
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If P.E. of a system is given by relation U = A/x² - B/x, where A and B are positive...| Doubtify JEE
34 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
100 views • 11 months ago Doubtify JEE Main
Watch :3 01:00
The general solution of sec θ + tan θ = √3 is:...| Doubtify JEE Main
195 views • 1 month ago Doubtify JEE Main
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The ratio of intensity between two coherent sound sources is 4:1. When they interfer..| Doubtify JEE
75 views • 9 months ago Doubtify JEE Main
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Equal masses of three liquids A, B and C have temperatures 10°C, 25°C and 40°C...| Doubtify JEE
65 views • 7 months ago Doubtify JEE Main
Watch :3 01:00
Integrating factor of x dy/dx - y = x⁴ - 3x is:...| Doubtify JEE
38 views • 5 months ago Doubtify JEE Main
Watch :3 01:00
If a point R(4, y, z) lies on the line segment joining the points R(2, -3, 4)...| Doubtify JEE Main
31 views • 3 months ago Doubtify JEE Main
Watch :3 01:00
An observer in a boat finds that the angle of elevation of a tower standing on the...| Doubtify JEE
91 views • 8 months ago Doubtify JEE Main
Watch :3 01:00
Find the time period of oscillation of block of mass m. Spring and pulley are...| Doubtify JEE Main
49 views • 3 months ago Doubtify JEE Main
Watch :3 02:40
The general solution of dy/dx = 2xeˣ²⁻ʸ is:...| Doubtify JEE
71 views • 4 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
47 views • 8 months ago Doubtify JEE Main
Watch :3 01:00
If (x₁ – x₂)² + (y₁ – y₂)² = a², (x₂ – x₃)² + (y₂ – y₃)² = b², (x₃ – x₁)² +...| Doubtify JEE Main
12 views • 3 months ago Doubtify JEE Main
Watch :3 01:00
If tanα + cotα = a, then the value of tan⁴α + cot⁴α is equal to : (1) a⁴ + 4a² + 2...| Doubtify JEE
51 views • 11 months ago Doubtify JEE Main
Watch :3 01:00
If the minimum value of x² + 2x + 3 is m and maximum value of -x² + 4x + 6 is...| Doubtify JEE Main
39 views • 1 week 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
28 views • 8 months ago Doubtify JEE Main