List of top Questions asked in Rajasthan PMT

In a step-up transformer ratio of number of turns in primary to seconday coil is $1: 25 .$ If input voltage is $230$ volt and load current is $2 \,amp$, then current in primary is :

The reading of voltmeter in the circuit shown is

An asymmetric carbon atom is that in which
A mass of $30 \,kg$ is suspended from a spring of spring constant $15\, N/m$. The time period of vertical oscillations of mass is
The velocity of a particle in S.H.M. at displacement y from mean position is ( $ a= $ amplitude $ \omega = $ angular frequency)
When potassium dichromate crystals are heated, we get
Which one of the following metal is used in galvanization?
Which one of the following is not a Chalcogen?
Which one of the following pair of elements has similar properties?
Water rises in a vertical capillary tube upto a length of $10 \,cm$. If the tube is inclined at $ 45{}^\circ $ , the length of water column risen in the tube will be
$1$-Chlorobutane on reaction with alcoholic potash gives
Which one of the following configuration is correct for $ Fe^{+3}$ ?
In the preparation of sulphuric acid, $ {{V}_{2}}{{O}_{5}} $ is used in the reaction which is
The process carried out in perfect insulation is
How many structural isomers can be obtained from $C_2H_2Br_2$
When an $\alpha$-particle is removed from $Ra$, the new element formed is of
Glycerol at $ 530\,K $ reacts with oxalic acid to produce
The focal length of objective and eye piece of a telescope are $ {{f}_{0}} $ and $ {{f}_{e}} $ respectively. Then its magnification will be:
A prism has a refracting angle of $ 60{}^\circ $ . If it produces a minimum deviation of $ 30{}^\circ $ in an incident ray, the angle of incidence is
If the critical angle for total internal reflection from a medium to vacuum is $ 30{}^\circ $ , then the speed of light in the medium is
A liquid has only
The ratio of radii of two spheres of same material is $1 : 4$, then the ratio of their heat capacities is
A solid sphere is rolling without slipping on a horizontal surface. The ratio of its rotational kinetic energy and translational kinetic energy is:
Surface tension of liquid is $5\,N/m$. If a thin film of area $0.02 \,m^2$ is made in a ring then the surface energy will be :
A torque of $30 \,N-m$ is acting on a wheel of mass $5 \,kg$ and moment of inertia $2\, kg-m2$. If wheel starts rotating from rest then, its angular displacement in $10 $ seconds will be: