List of practice Questions

The linear momentum p of a body varies with time and it is given by equation $ p=x+y{{t}^{2}} $ where $ x $ and $ y $ are constants. The net force acting on the body for a one dimensional motion is :

In which of the following reactions, the heat of neutralization will be the highest?

In a p-n-p transistor working as common base amplifier, current gain is 0.96 and emitter current is 7.2 mA. Then base current will be:

Even after killing the generative cell with a laser beam, the pollen grain of tobacco germinates and issues a normal pollen tube, because:

Aristotles Lantern is the masticatory apparatus of:

The number of degrees of freedom for each atom of a monatomic gas is

The magnifying power of a simple microscope M is given by

A stone of mass 1 kg tied to the end of a string of length 1 m, is whirled in a horizontal circle, with a uniform angular velocity 2 radian/sec. The tension of the string is (N)

A light body A and a heavy body B have equal linear momentum. Then the K.E. of the body A

Which one of the following is a protein deficiency disease?

A mass of $1 \,kg$ is suspended by means of a thread. The system is (i) lifted up with an acceleration of $4.9 \,m$ $s^{-2}$ (ii) lowered with an acceleration of $4.9 \,m$ $s^{-2}$ . The ratio of tension in the first and second case is

In the cell respiration, which of the following conversion does not involve the Embden Mayeroff-Parnas pathway?

A simple harmonic oscillator oscillates with an amplitude A. At what displacement the kinetic energy and potential energies are equal:

One standard atomic mass unit is:

If 11 identical resistances each of resistance r ohm are in parallel, the equivalent resistance of the combination would be:

If z is the atomic number then radius of g first Bohr orbit is proportional to :

In C4plants, Calvins cycle:

Which of the following does not require carrier molecules during transport through cell membranes?

Ozone can be easily detected by using:

Bromine is liberated, when aqueous solution of KBr is treated with:

Hypophosphorus acid $ ({{H}_{3}}P{{O}_{2}}) $ is:

Which of the following oxides of chlorine is obtained by passing dry iodine over silver perchlorate at $ 190{}^\circ C $ ?

Oxygen is obtained by heating:

Phosphorus has oxidation state, $ +\,3 $ in:

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