List of top Questions asked in Rajasthan PMT- 2007

Glucose reacts with excess of phenyl hydrazine and forms

Which compound is aromatic?

Lithopone is

Natural rubber is a polymer of

$ PC{{l}_{5}} $ is possible but $ NC{{l}_{5}} $ does not exist

Electron deficient molecule is

Which does not reacts with Fehling solution?

An electron and proton enter a magnetic Held perpendicularly. Both have same kinetic energy. Which of the following is true?

A thermoelectric refrigerator works on

A solid sphere is rotating about a diameter at an angular velocity $ \omega . $ If it coots so that its radius reduces to $ \frac{1}{n} $ of its original value, its angular velocity becomes

Glucose reacts with excess of phenyl hydrazine and forms

A light emitting diode $(LED) $ has a voltage drop of $2 \,V$ across it and passes a current of $10 \,mA$. When it operates with a $6 \,V$ battery through a limiting resistor $R$. The value of $R$ is :

For inelastic collision between two spherical rigid bodies

A point initially at rest moves along $x$-axis. Its acceleration varies with time as $ a=(6t+5)\,m/s^{2}$ . If it starts from origin, the distance covered in $2\, s$ is

A point source emits sound equally in all directions in a non-absorbing medium. Two points $P$ and $Q$ are at distances of $2\, m$ and $3\, m$ respectively from the source. The ratio of the intensities of the waves at $P$ and $Q$ is

A solid sphere rolls down on two different inclined planes of same height, but of different inclinations. In both cases

If the temperature difference on the two sides of a wall increases from $ 100{}^\circ C $ to $ 200{}^\circ C $ , its thermal conductivity