List of top Questions asked in WBJEE JENPAS UG

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 = ?
Due to which property of water raindrops are spherical in shape ?
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?
Which of the following statement/s is/are correct at NTP?
German Silver contains
The dehydrating agent for ammonia used in laboratory is
In electroplating of silver, the electrolyte is
Which is used as a cryogenic agent?
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 ?
2 u mass is equivalent to
Denatured spirit contains
During the emission of γ-ray
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 ?
Which part of human eye plays the role of light-proof chamber?
Which of the following is a covalent compound with triple bond?
The correct order of electronegativity is
The co-efficient of volume expansion of any ideal gas is
When the object lies at infinite distance in front of concave mirror then the nature of the image is
pH of acid is
In which of the following condition the work done by a force is zero?
Which of the following has the highest thermal conductivity?
The volume of 64 g O2 at STP is
Ring test ascertains