NEET questions
18092 published questions with worked solutions.
- A long solenoid of 50 cm length having 100 turns carries a current of 2.5 A. The magnetic field at the centre of the solenoid is...
- A charged particle having drift velocity of 7.5 10^ -4 m s^ -1 in an electric field of 3 10^ -10 V m^ -1 , has a mobility in m^2...
- The quantities of heat required to raise the temperature of two solid copper spheres of radii r_1 and r_2 (r_1=1.5 ,r_2) through...
- Taking into account of the significant figures, what is the value of 9.99 m - 0.0099 m ?
- A ball is thrown vertically downward with a velocity of 20 m/s from the top of a tower. It hits the ground after some time with a...
- A capillary tube of radius r is immersed in water and water rises in it to a height h. The mass of the water in the capillary is...
- A resistance wire connected in the left gap of a metre bridge balances a 10 resistance in the right gap at a point which divides...
- Two hollow conducting spheres of radii R_1 and R_2 (R_1 R_2) have equal charges. The potential would be :
- When two monochromatic lights of frequency, and 2 are incident on a photoelectric metal, their stopping potential becomes V_s 2...
- Match List - I with List - II : List-I (Electromagnetic waves): (a) AM radio waves (b) Microwaves (c) Infrared radiations (d)...
- A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the...
- When light propagates through a material medium of relative permittivity _r and relative permeability _r, the velocity of light,...
- Two objects of mass 10 kg and 20 kg respectively are connected to the two ends of a rigid rod of length 10 m with negligible...
- The energy that will be ideally radiated by a 100 kW transmitter in 1 hour is :
- An electric lift with a maximum load of 2000 kg (lift + passengers) is moving up with a constant speed of 1.5 m s^ -1 . The...
- If a soap bubble expands, the pressure inside the bubble :
- Given below are two statements : Statement I : Biot-Savart's law gives us the expression for the magnetic field strength of an...
- A shell of mass m is at rest initially. It explodes into three fragments having mass in the ratio 2 : 2 : 1. If the fragments...
- The angular speed of a fly wheel moving with uniform angular acceleration changes from 1200 rpm to 3120 rpm in 16 seconds. The...
- The peak voltage of the ac source is equal to :