List of top Questions asked in Chhattisgarh PMT

In which case does the potential energy decrease?
A particle moving with a uniform acceleration travels $24\, m$ and $64 \,m$ in the first two consecutive intervals of $4\,s$ each. Its initial velocity is
A bicycle is in motion. The frictional force exerted by the ground on the two wheels acts
A particle moves in the $xy$ - plane under the action of a force $\vec{ F }$ such that the components of its linear momentum $\vec{ P }$ at any time $t$ are $P_{x}=2 \cos t, P_{y}=2 \sin t$. The angle between $F$ and $p$ at time $t$ is
$L, C $ and $R$ represent physical quantities inductance, capacitance and resistance respectively. The combination representing dimension of frequency is
A body starts to fall freely under gravity. The distance covered by it in first, second and third second are in ratio
One-fourth length of a spring of force constant $k$ is cut away. The force constant of the remaining spring will be
A motorcycle is going on an over bridge of radius $R$. The driver maintains a constant speed. As the motorcycle is ascending on the over bridge, the normal force on it
For a projectile on the horizontal surface of a planet $ y=8t-5t^{2} \, m$ shows height and $ x=8\,t \, m$ shows the horizontal distance, then the velocity with which the projectile is projected is
Lorentz force is given by the following formula
A fighter plane is moving in a vertical circle of radius $r$. Its minimum velocity at the highest point of the circle will be
Down's syndrome is
Which one of the following enzymes initials protein digestion?
Haemoglobin is having maximum affinity with
The pungent odour of faeces is due to ne presence of
Which type of cells secretes $ HCl$ in stomach'
A body of mass $0.5 \,kg$ is projected under gravity with a speed of $98 \,m/s$ at an angle of $ 60^{\circ} $ with the horizontal. The change in momentum (in magnitude) of the body is
A bullet of mass $m$ moving with velocity $v$ strikes a block of mass $M$ at rest and gets embedded into it. The kinetic energy of the composite block will be
A body of mass $10 \,kg$ is moving with a constant velocity of $10 \,m/s$. When a constant force acts for $4 s$ on it, it moves with a velocity $2 \,m/s$ in the opposite direction. The acceleration produced in it is
The force constants of two springs are $ k_{1} $ and $ k_{2} $ respectively. Both are stretched till their potential energies are equal. The forces $ f_{1} $ and $ f_{2} $ applied on them are in the ratio
A body of mass $M$ is kept on a rough horizontal surface [friction coefficient $=u$). A person is trying to pull the body by applying a horizontal force $F$ but the body is not moving then
Which of the following glands is present in frog's skin and not in rabbit's skin?
Which of these contains vocal cords?
How many kinds of cells are found in islets of Langerhans?
Role of bone marrow in mammals is