List of practice Questions

Which of the following is an inert gas ?
A cylindrical bar magnet is kept along the axis of a-circular coil. If the magnet is rotated about its axis, passing through the centre, perpendicular to the face, then:
Core of a transformer is made up of:
Sucrose molecule is made up of
Out of the following four dimensional quantities, which one qualifies to be called a dimensional constant ?
The pyramid of energy is always upright for any ecosystem. The situation indicates the fact that............
The site of EMP pathway of breakdown of glucose in a cell, is
$15 $ moles of $H_2$ and $5.2$ moles of $I_2$ are mixed and allowed to attain equilibrium at $500^\circ$C. At equilibrium, the concentration of $HI$ is found to be $10$ moles. The equilibrium constant for the formation of $HI$ is
The induction coil works on the principle of
Which mirror is to be used to obtain a parallel beam of light from a small lamp?
When a body falls in air, the resistance of air depends to a great extent on the shape of the body. $3$ different shapes are given. Identify the combination of air resistances which truly represents the physical situation. (The cross sectional areas are the same)
1. Disc 2. Ball 3. cigar sheped
The wavelength of the radiation emitted by a body depends upon
The number of $P - O - P$ bridges in the structure of phosphorus pentoxide and phosphorus trioxide are respectively
Consider a short magnetic dipole of magnetic length 10 cm. Its geometric length is
Angular velocity of hour hand of a watch is
The binding energy of a satellite of mass m in a orbit of radius r is (R = radius of earth, g = acceleration due to gravity)
Two perfect gases at absolute temperatures $T_1$ and $ T_2$ are mixed. There is no loss of energy. The temperature of mixture of masses of molecules are $ m_1$ and $ m_2$ and the number of molecules in the gases are $n_1 $ and $ n_2 $ respectively, is
Direction of magnetic field at equatorial point is
At constant pressure, which of the following is true ?
The energy band gap is maximum in:
Total number of atoms represented by the compound $CuSO_4 . 5H_2O$ is
A coin placed on a rotating turntable just slips, if it is placed at a distance of $8\, cm$ from the centre. If angular speed of the turntable is doubled, it will just slip at a distance of:
The .examples of diamagnetic, paramagnetic and ferromagnetic materials are respectively:
Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells?
Two vibrating tuning forks produce progressive waves given by y1=4 sin 500 \(\pi\)t and y2 =2 sin 506 \(\pi\)t. Number of beats produced per minute is: