List of top Questions asked in AFMC

Which one of the following pairs is not correctly matched ?
In $1984$, the Bhopal gas tragedy took place because methyl isocyanate
Oral contraceptive pills function by
To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practised in floriculture and horticulture industry today. This is called _____
Biradial symmetry and lack of cnidoblasts are the characteristics of
Which group of animals exhibits bilateral and radial symmetry 'in larval and adult stages respectively?
Activity of a radioactive sample decreases to $ (1/3)^{rd} $ of its original value in 3 days. Then, 1 in 9 days its activity will become
A motor is used to deliver water at a certain rate through a given horizontal pipe. To deliver $n$-times the water through the same pipe in the same time the power of the motor must be increased as follows
A machine is delivering constant power to drive a body along a straight line. What is the relation between the distance travelled by the body against time
The physical quantity having the dimensions $\left[ M ^{-1} L ^{-3} T ^{3} A ^{2}\right]$ is
A battery of emf $10\, V$ and internal resistance $3\, \Omega$ is connected to a resistor. The current in the circuit is $0.5\, A$. The terminal voltage of the battery when the circuit is closed is
When a low flying aircraft passes over head, we sometimes notice a slight shaking of the picture on our $TV$ screen. This is due to
A straight wire of mass $200\, g$ and length $1.5\, m$ carries a current of $2\, A$. It is suspended in mid-air by a uniform horizontal magnetic field $B$. The magnitude of $B$ (in tesla) is (assume $g=9.8\, ms ^{-2}$ )
An unpolarised beam of intensity $I_{0}$ is incident on a pair of nicols making an angle of $60^{\circ}$ with each other. The intensity of light emerging from the pair is
According to classical theory of Rutherford's model, the path of electron will be
In semiconductor the concentrations of electrons and holes are $ 8\times 10^{18}m^{3} $ and $ 5\times 10^{18}/m^{3} $ respectively. If the mobilities of electrons and holes are $2.3 \,m^2 /Vs$ it and $0.01 \,m^2 /Vs$ respectively, then semiconductor is
The length of the wire is doubled, Its conductance will
Chloramine-T is a
If the electric flux entering and leaving an enclosed surface respectively are $\phi_1 $ and $ \phi_2$ , the electric charge inside the surface will be
A capillary tube is attached horizontally to a constant head arrangement. If the radius of the capillary tube is increased by $10\%$, then the rate of flow of liquid will change nearly by
Glauber salt is
Total internal reflection takes place
A brown ring appears in the test for
Shape of $ XeF_4$ molecule is
The limiting friction is