NEET 2005 Question Paper with Solutions

A ball is thrown vertically upward. It has a speed of 10 m/sec when it has reached one half of its maximum height. How high does the ball rise? (Take g = 10 \(\text{m/s}^2\).)

A force F acting on an object varies with distance x as shown here. The force is in N and x in m. The work done by the force in moving the object from x = 0 to x = 6 m is

An ideal gas heat engine operates in Carnot cycle between \(227^\circ C\) and \(127^\circ C\). It absorbs \(6\times10^4\) cal of heat at higher temperature. Amount of heat converted to work is

If the angle between the vectors \(\vec{A}\) and \(\vec{B}\) is \(\theta\), the value of the product \((\vec{B}\times\vec{A})\cdot\vec{A}\) is equal to

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

The best method for the separation of naphthalene and benzoic acid from their mixture is

Equilibrium constants \(K_1\) and \(K_2\) for the following equilibria: are related as

The absolute enthalpy of neutralisation of the reaction: \(MgO(s)+2HCl(aq)\rightarrow MgCl_2(aq)+H_2O(l)\) will be

Which of the following molecules has trigonal planar geometry?

\(H_2S\) gas when passed through a solution of cations containing HCl precipitates the cations of second group of qualitative analysis but not those belonging to the fourth group. It is because

The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 \(\text{\AA}\) is of the order of

A network of four capacitors of capacity equal to \(C_1=C\), \(C_2=2C\), \(C_3=3C\) and \(C_4=4C\) are connected to a battery as shown in the figure. The ratio of the charges on \(C_2\) and \(C_4\) is

If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by \(\mu_d\), \(\mu_p\) and \(\mu_f\) respectively, then

Application of a forward bias to a p-n junction

When a wire of uniform cross-section a length l and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be

What is the correct relationship between the pH of isomolar solutions of sodium oxide, \(Na_2O\) (pH1), sodium sulphide, \(Na_2S\) (pH2), sodium selenide, \(Na_2Se\) (pH3) and sodium telluride \(Na_2Te\) (pH4)?

The number of moles of \(KMnO_4\) reduced by one mole of KI in alkaline medium is

Electrolytic reduction of nitrobenzene in weakly acidic medium gives

Aniline in a set of reactions yielded a product D. The structure of the product D would be

Which one of the following forms micelles in aqueous solution above certain concentration?