List of top Questions asked in AMUEEE

Acetophenone $(Ph-\overset{\underset{||}{O}}{C}- CH_3)$ is prepared in the laboratory by

Four particles of masses m, 2m, 3m and 4m are arranged at the corners of a parallelogram with each side equal to a and one of the angle between two adjacent sides as $ 60{}^\circ $ . The parallelogram lies in the $ x-y $ plane with mass m at the origin and 4m on the $ x- $ axis. The centre of mass of the arrangement will be located at

A body of mass M kg initially at rest explodes into three fragments having masses in the ratio $ 3:1:1 $ . The two equal mass fragments fly off at right angles to each other with equal speed of 60 m/s. The speed of the heavier fragment is

A Carnot engine working between 300 K and 600 K has a work output of 800 joules per cycle. The amount of heat energy supplied from the source to the engine in each cycle is

If the kinetic energy of one mole of an ideal gas is given as $ E=\frac{3}{2}RT $ (where 7? is the universal gas constant and T is the absolute temperature of the gas), the molar specific heat at constant pressure will be given as

Which one of the following statement is true?

If the speed of light [c], acceleration due to gravity [g] and pressure [P] are taken as the fundamental quantities, then the dimension of gravitational constant is

A body is moved along a straight line by a machine which delivers constant power. The distance moved by the body in time $ t $ is proportional to

During a journey from earth to moon and back, the greatest energy required from the rocket of the space ship is to overcome

An elastic string has length $ \beta $ when subjected to 5 N tension. Its length is a when tension 4 N. When subjected to a tension of 9 N, its length will become

An aeroplane is flying horizontally with a velocity of 216 km/h and at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground at point B. The distance AB is (ignoring air resistance)

The rate of difusion is

Which of the following pairs does not have same dimension?

A copper ball is heated to $ 100{}^\circ C $ . It cools to $ 80{}^\circ C $ in 5 minutes and to $ 65{}^\circ C $ in 10 minutes. The temperature of the surrounding is

The rotation period of an earth satellite close to the surface of the earth is 83 minutes. The satellite in an orbit at a distance of three times earth radii from 2 jts surface will be

A beaker of radius 6 cm is filled with mercury up to a height to 12 cm. Given that the density of mercury is $ 13600\text{ }kg/{{m}^{3}}, $ the force exerted by the mercury on the bottom of the beaker is approximately.

One-third of spring having force constant k is cut and mass m is suspended to it. If the frequency of oscillation of the original spring with the same mass is/then the frequency of oscillation in one-third of spring is

The length of a needle floating on water is 2.5 cm. How much minimum force, in addition to the weight of the needle will be needed to lift the needle above the surface of water? Surface tension of water is $ 7.2\times {{10}^{-4}}N/cm $ .

A ball is thrown with a kinetic energy E at an angle of $ 45{}^\circ $ with the horizontal in the earths gravitational field. The change in its potential energy at the highest point of its flight with respect to the starting point will be

A metal beam having coefficient of linear expansion $ \alpha $ Youngs modulus $ Y $ , area of across section a and length L, is clamped at both ends. After cooling by $ t{}^\circ C, $ the force exerted in the clamp is

The ratio of specific heat at constant volume $ {{C}_{V}} $ for monoatomic gas to that of polyatomic gas i.e. $ {{C}_{V}} $ (monoatomic)/ $ {{C}_{V}} $ (polyatomic) is

Addition of $ HgC{{l}_{2}} $ to $ SnC{{l}_{2}} $ gives a brown black colour which is due to the

Phosphorus on reaction with cone $ HN{{O}_{3}} $ yields

Among the following sets of fruits, those that belong to the same category, from the point of view of classification, are