NEET questions
18092 published questions with worked solutions.
- Light with an energy flux of 25 10^ 4 W m ^ -2 falls on a perfectly reflecting surface at normal incidence. If the surface area...
- A beam of light of = 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is...
- In the Young's double-slit experiement, the intensity of light at a point on the screen where the path difference is is K, (...
- If the focal length of objective lens is increased then magnifying power of
- When the energy of the incident radiation is increased by 20%, the kinetic energy of the photoelectrons emitted from a metal...
- If the kinetic energy of the particle is increased to 16 times its previous value, the percentage change in the de-Broglie...
- The binding energy per nucleon of ^ 7 _ 3 Li and ^ 4 _ 2 He nuclei are 5.60 MeV and 7.06 MeV, respectively. In the nuclear...
- A radio isotope X with a half life 1.4 10^ 9 years decays of Y which is stable. A sample of the rock from a cave was found to...
- The barrier potential of a p-n junction depends on : a. Type of semiconductor material b. Amount of doping c. Temperature Which...Not in JEE Advanced syllabus
- What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, m_l = 0
- If a is the length of the side of a cube, the distance between the body centered atom and one corner atom in the cube will beNot in JEE Main or NEET syllabus
- Which property of colloids is not dependent on the charge on colloidal particles?Not in JEE Main or NEET syllabus
- When 22.4 litres of H _2(g) is mixed with 11.2 litres of Cl _2(g), each at STP, the moles of HCl(g) formed is equal to
- When 0.1 mol MnO _4^ 2- is oxidised the quantity of electricity required to completely oxidise MnO _4^ 2- to MnO _4^ - is
- Which of the following statements is correct for the spontaneous adsorption of a gas?Not in JEE Main or NEET syllabus
- For the reversible reaction, N _2(g) + 3 H _2(g) 2 NH _3(g) + Heat The equilibrium shifts in forward direction
- For the reaction, X _2 O _4(l) 2 XO _2(g) U = 2.1 kcal , S = 20 cal K ^ -1 at 300 K Hence G is
- For a given exothermic reaction, K_p and K_p' are the equilibrium constants at temperatures T_1 and T_2, respectively. Assuming...
- Which of the following orders of ionic radii is correctly represented?
- 1.0 g of magnesium is burnt with 0.56 g O _2 in a closed vessel. Which reactant is left in excess and how much? (At. wt. Mg = 24;...