List of top Questions asked in WBJEE JENPAS UG- 2023

If \(f(x)=ax^2+bx+c\) and \(f(0)=3\), \(f(1)=1\), \(3f(2)=5\) then \(a:b:c=\)
A tower stands vertically on the ground and on the same ground there is a house of height 10 m and the distance between the house and the tower is 15 m. If the angle of elevation of the top of the tower is found to be 45° from the roof of the house, then what is the height of the tower ?
If x4+y4=18x2y2, then which of the following is/are correct?
Which of the followings are derived physical quantities ?
Which is/are correct for \(γ\)-ray?
The area of a sector of angle 30° of a circle of diameter 14 cm is
Consider two triangles △ABC and △DEF, where \(\frac{AB}{DF}=\frac{BC}{FE}=\frac{CA}{ED}\). Then which is correct?
If tan \(A =\frac{2}{3}\)  then cos² A-sin² A = ?
The value of \(\frac{x+\sqrt{x²-1}}{x-\sqrt{x²+1}} +\frac{x+\sqrt{x²+1}}{x-\sqrt{x²-1}}\) is
Due to which property of water raindrops are spherical in shape ?
Which of the following statement/s is/are correct at NTP?
Which of the following statement(s) is/are correct when α, β, γ are the coefficients of linear expansion, surface expansion and volume expansion respectively of a solid ?
Which of the following is/are correct for any gas?
In electroplating of silver, the electrolyte is
Denatured spirit contains
The dehydrating agent for ammonia used in laboratory is
German Silver contains
Which is used as a cryogenic agent?
2 u mass is equivalent to
An object is sliding down an inclined plane. The velocity changes at a constant rate from 10 cm/s to 15 cm/s in two seconds. What is its acceleration ?
When the object lies at infinite distance in front of concave mirror then the nature of the image is
During the emission of γ-ray
The co-efficient of volume expansion of any ideal gas is
Resistances of two coils of wire are 9 Ω and 18 Ω. If these coils be connected in parallel combination, then what will be the equivalent resistance ?
The correct order of electronegativity is