List of top Questions asked in MP PMT- 2006

A capacitor is connected to a cell of emf E having some internal resistance r. The potential difference across the

In Young's experiment when sodium light of wavelength 5893 $\mathring {A}$ is used, then 62 fringes are seen in the field of view. Instead, if violet light of wavelength 4358 $\mathring {A}$ is used, then the number of fringes that will be seen in the field of view will be

If $?=10^{-10}m$ changes to $?'=0.5 \times 10^{-10}m,$ find energy difference $(?E)$ given to the particle

To decrease the range of an ammeter, its resistance need to be increased. An ammeter has resistance $R_0$ and range I. Which of the following resistance can be connected in series with it to decrease its range to $\frac{1}{n}$ ?

Variable valency is a general feature of

Which is used to obtain salicylic acid from phenol?

The length, breadth and thickness of a block are given by I= 12 cm, b = 6 cm and t = 2.45 cm. The volume of the block according to the idea of significant figures should be

Acceleration due to gravity at earth's surface is g $ms^{-2}$ Find the effective value of gravity at a height of 32 km from sea level $(R_e = 6400\, km)$

Two waves, represented by the following equations, are travelling in the same medium $\hspace30mm y_1 = 5 sin \, 2 \pi (75 t - 0.25 x)$ $\hspace30mm y_2 = 10 sin \, 2 \pi (150 t - 0.50 x)$ The intensity $\frac{I_2}{I_1}$ of two waves is

A body is just being revolved in a vertical circle of radius R with a uniform speed. The string breaks when the body is at the highest point. The horizontal distance covered by the body after the string breaks is