NEET (UG) entrance exam Question Bank Solutions

Match Column - I and Column - II and choose the correct match from the given choices.

A spring is stretched by 5 cm by a force of 10 N. The time period of the oscillations when a mass of 2 kg is suspended by it is ______.

A capacitor of capacitance ‘C’, is connected across an ac source of voltage V, given by V = V₀ sinωt The displacement current between the plates of the capacitor would then be given by ______

A spring is stretched by 5 cm by a force of 10 N. The time period of the oscillations when a mass of 2 kg is suspended by it is ______

Match Column - I and Column - II and choose the correct match from the given choices.

A capacitor of capacitance ‘C’, is connected across an ac source of voltage V, given by

V = V₀sinωt 

The displacement current between the plates of the capacitor would then be given by:

Assertion: If distance travelled by a body is not zero, then displacement of a body will be a non-zero.

Reason: Displacement of a body is the shortest distance between initial and final positions.

If the temperature increases, the modulus of elasticity. 

A cricket ball thrown across a field is at heights h₁ and h₂ from the point of projection at times t₁ and t₂ respectively after the throw. The ball is caught by a fielder at the same height as that of projection. The time of flight of the ball in this journey is

Diffraction effects are easy to notice in the case of sound waves than in case of light waves because

On doping an intrinsic semiconductor with a group V element, free electrons in the conduction band are the majority charge carriers and the resulting semiconductor has a net

A liquid drop having surface energy 'E' is spread into 512 droplets of the same size. The final surface energy of the droplets is ______.

If the temperature on the Fahrenheit scale is 140 °F, then the same temperature on the Kelvin scale will be:  

The speed of sound in hydrogen is 1270 m/s. The speed of sound in the mixture of oxygen and hydrogen in which they are mixed in 1:4 ratio is

When a gas is in thermal equilibrium, its molecules have ______. 

The numerical ratio of distance to displacement is ______.

A body of mass m is projected horizontally with a velocity v from the top of a tower of height h and it reaches the ground at a distance x from the foot of the tower. If the second body of mass of 4 m is projected horizontally from the top of a tower of the height of 4 h, it reaches the ground at a distance of 4x from the foot of the tower. The horizontal velocity of the second body is:

If the mass of all molecules of a gas is halved and their speeds doubled, then the ratio of initial and final pressures is ________. 

Capacitors connected in series have ______

The amplitude and the periodic time of an S.H.M are 5 cm and 6 s respectively. At a distance of 2.5 cm from the mean position, the phase will be: