NEET questions
18092 published questions with worked solutions.
- The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is:
- The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on...
- A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of...
- Two parallel infinite line charges with linear charge densities + C/m and - C/m are placed at a distance of 2R in free space....
- Two point charges A and B, having charges +Q and -Q respectively, are placed at certain distance apart and force acting between...
- A small hole of area of cross-section 2 mm^2 is present near the bottom of a fully filled open tank of height 2 m. Taking g = 10...
- In which of the following processes, heat is neither absorbed nor released by a system?
- A 800 turn coil of effective area 0.05 m^2 is kept perpendicular to a magnetic field 5 10^ -5 T. When the plane of the coil is...
- A parallel plate capacitor of capacitance 20 is being charged by a voltage source whose potential is changing at the rate of 3...
- In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4%...
- The number of sigma ( ) and pi ( ) bonds in pent-2-en-4-yne is :
- 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is
- Which of the following reactions are disproportionation reaction? (a) 2 Cu ^ + Cu ^ 2+ + Cu ^ 0 (b) 3 MnO _4^ 2- + 4 H ^ + 2 MnO...
- For the cell reaction 2 Fe ^ 3+ (aq) + 2 I ^ - (aq) 2 Fe ^ 2+ (aq) + I _2(aq) E^ _ cell = 0.24 V at 298 K. The standard Gibbs...
- Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :Not in JEE Main or NEET syllabus
- Which is the correct thermal stability order for H _2 E (E = O, S, Se, Te and Po)?
- Which of the following diatomic molecular species has only bonds according to Molecular Orbital Theory?
- For the second period elements the correct increasing order of first ionisation enthalpy is:
- The biodegradable polymer is:Not in JEE Main or NEET syllabus
- pH of a saturated solution of Ca(OH) _2 is 9. The solubility product (K_ sp ) of Ca(OH) _2 is: