List of top Questions asked in KCET, JIPMER

A body is sliding on a smooth inclined plane requires 4 second to reach the bottom starting from rest at the top. How much rime does it take to cover $ \frac{1}{4} $ the distance starting from rest?
The seeds of Cycas are:
A photocell stops emission if it is maintained at 2 V positive potential. The energy of most energetic photoelectron is:
A bullet of mass 50 g is fired from a 5 kg gun with a velocity of 1 km/sec. The speed of recoil of the gun is:
Two spheres made of same substance have diameters in the ratio 1 : 2. Their thermal capacities are in the ratio of:
When ethyne is passed through dilute $ {{H}_{2}}S{{O}_{4}} $ containing $ {{H}_{g}}S{{O}_{4}}, $ it forms:
Biaxial crystal among the following is
Mass of a photon of frequency v is given by
A body is projected vertically upwards from the surface of a planet of radius $R$ with a velocity equal to half the escape velocity for that planet. The maximum height attained by the body is
A mirror forms a real image of unit magnification, Its nature is
Electric charges $+ 10\mu C, + 5\mu C, - 3 \mu C\, and\, + 8 \mu C$ are placed at the comers of a square of side $\sqrt2\,m$. The potential at the centre of the square (V) is
Mean life of a radioactive element is one year. Then its half life is (in year)
Biaxial crystal among the following is
The number of atoms in a radioactive sample reduces from 1000 to 100 in two days. Then the number of atoms remaining at the end of four days is
Ionisation energy of hydrogen atom is 13.6 eV. Then the energy required to ionise a hydrogen atom in which the electron is in the second orbit from the nucleus is (eV)
A convex lens of refractive index $n$ behaves as a convex lens of smaller power in a liquid of refractive index $n_1$ and as a concave lens in another liquid of refractive index $n_2$. Then relation between $n,n_1$ and $n_2$ is
Three similar cells, each of emf 2 V and internal resistance $r\,\Omega$ send the same current through an external resistance of $2\,\Omega$ when connected in series or in parallel. The strength of the current flowing through the external resistance is (A)
Solder is an alloy of:
Interference fringes are obtained using two coherent sources whose intensities are in the ratio 4 : 1. Then the ratio of the intensities of the bright and dark bands is
S.l. unit of surface tension is
Which of the following is the sweetest sugar?
Which is the purest form of iron?
When the centromere of a chromosome is located near the tip of the chromosome, the position is described as:
A potentiometer wire of length 1 m and resistance $10\,\Omega$ is connected in series with a cell
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates