List of top Questions asked in JEECUP- 2026

What is the chemical formula of rust?
Which type of radiation consists of high-energy photons with no mass or charge?
Which element is always present in organic compounds?
The order (characteristic) of 0.99 is-
A 2 kW air conditioner works for 8 hours per day. At the rate of Rs 6/kWh the electricity bill for one day will be-
During short circuiting, the electric current in the circuit-
The value of the universal gravitational constant \(G=6.67\times10^{-11}\,Nm^{2}/kg^{2}\) in CGS system is-
Magnetic flux of a $20$ turn coil is reduced to zero from $0.3\,Wb$ in one second. The induced e.m.f. between the terminals of the coil is
Electronic configuration of copper can be represented as
The electric field strength at a point in an electric field is $30\,N/C$. Find the force experienced by a charge of $20\,C$ at that point.
$100\,\text{g}$ of water at $60^\circ C$ is added to $180\,\text{g}$ of water at $95^\circ C$. The resultant temperature of mixture is

If the radius of a circle is doubled, its area becomes: 

The perimeter of an equilateral triangle whose area is \(4\sqrt{3}\,\text{cm}^2\) is equal to
The common name of 2-Butanone is
The number of molecules present in $2.8\,g$ of nitrogen is
The half life period of a radioactive element is $150$ days. After $600$ days $1\,g$ of the element will be reduced to
Which among the following pairs are not having same number of total electrons?
Two unlike parallel forces $2\,N$ and $16\,N$ act at the ends of a uniform rod of length $21\,cm$. The point where the resultant acts is at a distance of ____ from the greater force.
One proton enters in a magnetic field of $2500 \,\text{N/Amp}\cdot\text{m}$ intensity with velocity of $4\times10^5\,\text{m/s}$ in parallel to the field. The force exerted on proton will be
The value of \(\sin\theta+\cos(90^\circ+\theta)+\sin(180^\circ-\theta)+\sin(180^\circ+\theta)\) is
\(\tan3A-\tan2A\cdot\tan A\) is equal to
If \(7\) is the mean of \(5,3,0.5,4.5,a,8.5,9.5\), then the value of \(a\) is
The value of \(\sqrt[5]{\dfrac{72.9}{0.4096}}\) is

Which of the following is the most electronegative element? 

The focal length of a concave mirror is 20 cm. The distance at which an object should be placed to get a real image of same size is: