AIIMS Full Mock Test 16 - NEET MCQ

The velocity versus time graph of a body moving in a straight line is shown in fig. The displacement of the body in 5 s is:

A projectile is fired at 30⁰ with momentum p. Neglecting air friction, the change n kinetic energy when it returns to the ground will be:

A monkey is descending fromthe branch of a tree with acceleration. If the breaking strength of the branch is 75% of the weight of the monkey, the minimum acceleration with which monkey can slide down without breaking the branch is:

The coefficient of static friction ( s) between block A of mass 2 kg and the table as shown in Fig. is 0.1. What would be the maximum mass of block B so that the two blocks do not move ? The string and the pulley are assumed to be smooth and mass less (g = 10 m/s²):

Two inclined frictionless tracks, one gradual and the steepmeet at A from where two stones are allowed to slide down from rest, one on each track, as shown in Fig. Which of the following statement is correct ?

Two trucks, one loaded (A) and the other unloaded (B) moving and have same kinetic energy. The mass of A is double that of B.Brakes are applied to both and are brought to rest. If the distance covered by A before coming to rest is x₁ and that of B is x₂ , then:

The total work done on a particle is equal to the change in kinetic energy

A disc of moment of inertia I₁ is rotating with an angular velocity ω₁.Another disc of moment of inertia I₂ which is not rotating, is gently put on the first disc. The angular speed of the system will be:

Two circular discs of same mass and thickness are made from metals having densities ρ₁ and ρ₂ respectively. The ratio of their moments of inertia a out the central axis perpendicular to the plane of the disc will be:

A tangential force F acts along the a ring of radius R and displace the ring through and angle θ . The work done by the force is :

If there are no heat losses, the heat released by the condensation of x gram of steam at 100⁰C into water at 100⁰C can be used to convert y gram of ice at 0⁰C into water at 100⁰C. The ratio y : x is nearly

Steam at 100⁰C is passed into 1.1 kg of water contained in a calorimeter of water equivalent 0.02 kg at 15⁰C till the temperature of the calorimeter rises to 80⁰C . The mass of condensed in kg, is:

An aluminium sphere of 20cm diameter is heated from 0⁰C to 100⁰C. Its volume changes by : (Given that coefficient of linear expansion for aluminium, α_Al = 23 x 10^-6/⁰C)

Two identical disks are positioned on a vertical axis shown in the figure. The bottom disk is rotating at an angular velocity ω₀ and has rotational kinetic energy k₀. The top disk is initially at rest. It allowed to fall and sticks to the bottom disk The change in the rotational kinetic energy of the system after the collision is:

An ideal monoatomic gas undergoes a process given by P = 3V². Then

An ideal gas heat engine operates in a Carnot cycle be ween 227ºC and 127ºC. It absorbs 6 kcal at the higher temperature. The amount of heat ( n kcal) converted into work is equal to :

In a given process on an ideal gas, dW = 0 and dQ < 0 Then for the gas

Whenthe net force F acting on the particle varies as its position along x-axis shown in the figure, which of the following cannot be oscillatory motion. (where position of the particle)

A physical quantity A is related to four observables a,b,c and d as : A = a²b³/ √c d . The percentage errors of measurements in a,b,c and d are 1%, 32%, 2%and2%respectively.What is the percentage error in the quantity A ?

The acceleration a of a particle starting from rest varies with time according to relation : a = αt + β. The velocity of the particle after a time t will be:

If two stones projected from the same point with the same speed but at angle π/3 and π/6 respectively have their ranges R₂ and R₁, then:

A ball is let fall from a height h₀. There are n collisions with the Earth. If the velocity of rebound after n collisions is v_n and the ball rises to a height h_n , then coefficient of restitution is given by:

A rod of length L and mass M is bent to form a semicircular ring. The moment of inertia of the ring about is diameter is:

The figure given below show a process (relating pressure P and volume V) for a given amount for an ideal gas. W is work done by the gas and Q is heat absorbed by the gas

An ideal gas with pressure P volume V and temperature is expanded isothermally to a volume 2V and a final pressure P_i . If the same gas is expanded adiabatically to a volume 2V, the final pressure is P_a. The ratio of the specific heat of the gas is 1.67. The ratio is

Masses are suspended in vertical plane as shown (the system is at rest and in equilibrium). When m₁ is removed the system makes 20 oscillations in 40 sec.When m₂ is also removed gently then how long the system will take to complete 30 oscillations :

A particle of mass 10 gm is placed in a potential field given by V= (50 x² + 100) J/kg. The frequency of oscillation in cycle/sec is :