NEET questions
18092 published questions with worked solutions.
- The angular speed of a flywheel is increased from 600 rpm to 1200 rpm in 10 s. The number of revolutions completed by the...
- A resistor is connected to a battery of 12 V emf and internal resistance 2 . If the current in the circuit is 0.6 A, the terminal...
- A flask contains argon and chlorine in the ratio of 2 : 1 by mass. The temperature of the mixture is 27^ . The ratio of root mean...
- Match List-I with List-II. List-I A. E = h B. Diffraction and Interference C. = h/p D. Compton effect List-II I. de Broglie...
- In the first excited state of hydrogen atom, the energy of its electron is -3.4 eV. The radial distance of the electron from the...
- A box of mass 15 kg is kept on the floor of a stationary trolley. The coefficient of static friction between the box and the...
- Each side of a metallic cube of mass 5.580 kg is measured to the 9.0 cm. Keeping the significant figures in view, the density of...
- The sum of kinetic energy and potential energy of a simple pendulum bob is 0.02 joule. The speed of the simple pendulum bob at...
- In Young's double slit experiment, using monochromatic light of wavelength , the intensity of light at a point on the screen...
- An ac circuit contains a resistance of 1 k , a capacitor of 0.1 and an inductor of 1 mH connected in series. The resonance...
- In interference and diffraction, the light energy is redistributed. If it reduces in one region, producing a dark fringe, it...
- For a travelling harmonic wave y(x, t) = 2.0 2 (10t - 0.0080x + 0.35), where x and y are in cm and t in s. The phase difference...
- The magnitude and direction of the acceleration produced in a body of mass 5 kg when two mutually perpendicular forces 8 N and 6...
- Consider two uncharged capacitors of equal capacitance 200 pF. One of them is charged by a 100 V supply and disconnected. Now...
- The power of a crane, which lifts a mass of 1000 kg to a height of 20 m in 10 s is: (g = 9.8 m/s ^2)
- In a vernier calliper, 20 VSD coincide with 16 MSD (each division of length 1 mm). The least count of the vernier callipers is:
- When a ruler falls vertically, 5 different persons catch it with different reaction times. (g = 9.8 m s ^ -2 ) A. Person A has...
- A room heater is rated 400 W, 220 V. If the supply voltage drops to 200 V, what will be the power consumed (approximately)?
- A 100-turn closely wound circular coil of radius 5 cm has a magnetic field of 3.14 10^ -3 T at its centre. The current flowing...
- A rectangular wire loop of sides 8 cm and 3 cm with a small cut, is moving out of a region of uniform magnetic field of magnitude...