List of top Questions asked in Rajasthan PMT

The coordinates of a moving particle at any time t are given by $ x=\alpha {{t}^{3}} $ and $ y={{t}^{3}}. $ The speed of the particle at time t is given by

Diwali rocket is ejecting 50 g of gases/s at a velocity of 400 m/s. The accelerating force on the rocket will be

$ t- $ butyl chloride preferably undergo hydrolysis by

What is the equation for the equilibrium constant $ ({{K}_{c}}) $ for the following reaction? $ \frac{1}{2}A(g)+\frac{1}{3}B(g)\frac{2}{3}C(g) $

$ A\,\,0.5\,\,g/L $ solution of glucose is found to be isotonic with a $ 2.5\,\,g/L $ solution of an organic compound. What will be the molecular weight of that organic compound?

What is the electrode potential (in $ V $ ) of the following electrode at $ {{25}^{o}}C $ ? $ N{{i}^{2+}}(0.1\,\,M)|Ni(s) $ (Standard reaction potential of $ N{{i}^{2+}}|Ni $ is $ -0.25\,\,V,\,\,\frac{2.303RT}{F}=0.06) $

What is the wavelength (in $ m $ ) of a particle of mass $ 6.62\times {{10}^{-29}}g $ moving with a velocity of $ {{10}^{3}}\,\,m{{s}^{-1}} $ ?

During the dehydration of alcohols to alkenes by heating with conc. $H_2SO_4$, the initiating step is

A metal wire of linear mass density of 9.8 g/m is stretched with a tension of 10 kg-wt between two rigid supports 1 m apart. The wire passes at its middle point between the poles of a permanent magnet and it vibrates in resonance when carrying an alternating current of frequency n. The frequency n of the alternating source is

A light spring balance hangs from the hook of the other light spring balance and a block of mass M kg hangs from the former one. Then the true statement about the scale reading is

A boy playing on the roof of a 10 m high building throws a ball with a speed of 10 m/s at an angle of $ 30{}^\circ $ with the horizontal. How far from the throwing point will the ball be at the height of 10 m from the ground? $ (g=10\,m/{{s}^{2}},\,\sin {{30}^{o}}=1/2,\,\cos {{30}^{o}}=\sqrt{3}/2) $

What is the value of inductance L for which the current is a maximum in a series LCR circuit with $ C=10\,\mu F $ and $ \omega =1000\,{{s}^{-1}} $ ?

The maximum number of possible interference maxima for slit-separation equal to twice the wavelength in Youngs double-slit experiment, is

Spherical balls of radius R are falling in a viscous fluid of viscosity n with a velocity v. The retarding viscous force acting on the spherical ball is

A ball is thrown from a point with a speed $ {{v}_{0}} $ at an angle of projection $ \theta $ . From the same point and at the same instant, a person starts running with a constant speed $ \frac{{{v}_{0}}}{2} $ to catch the ball. Will the person be able to catch the ball If yes, what should be the angle of projection?

In radioactive decay process, the negatively charged emitted $ \text{-} $ particles are

Which of the following can give a Grignard reagent when reacted with magnesium in dry ether?

The maximum number of possible interference maxima for slit separation equal to twice the wavelength in Young's double-slit experiment, is

Nickel shows ferromagnetic property at room temperature. If the temperature is increased beyond Curie temperature, then it will show

In which era reptiles were dominated?

According to fossils discovered upto present time, origin and evolution of man was started from which country?

The relation between amplification factor $ (\mu ), $ plate resistance $ ({{r}_{p}}) $ and mutual conductance $ ({{g}_{m}}) $ of a triode valve is given by

Which is purified by steam distillation?

When hydrogen molecules decomposed into its atoms which conditions gives maximum yields of $ H $ atoms?

A ball of mass $m$ elastically collides with a wall with velocity $v$, the $n$ change in its momentum is equal to