NEET questions
18092 published questions with worked solutions.
- Four statements are given (A is mass number): A. The volume of a nucleus is proportional to A^ 1/3 . B. The volume of a nucleus...
- An unknown nucleus has a nuclear density of 2.29 10^ 17 kg/m ^3 and mass of 19.926 10^ -27 kg . Its mass number A is...
- Savitha, a XI standard student, while conducting an experiment to determine the effective length of a simple pendulum L, notes...
- An electric heater supplies heat to a system at a rate of 100 W. If the system performs work at a rate of 75 J/s, then the rate...
- A galvanometer of resistance 100 gives full scale deflection for a current of 1 mA. It is converted into an ammeter of range 0 –...
- Two statements are given below: A. When the forward bias voltage across a p-n junction diode increases above a certain threshold...Not in JEE Advanced syllabus
- Which of the following statements are correct? A. Inside a conductor, the electrostatic field is zero. B. Electric field at the...
- For a metal of work function 6.6 eV, which of the following wavelengths of incident radiation does **not** give rise to the...
- In a concave lens, a ray of light emanating from the object parallel to the principal axis of the lens after refraction:
- A submarine is designed to withstand an absolute pressure of 100 atm. How deep can it go below the water surface? (Consider the...
- Match List I with List II: List-I (Electromagnetic wave) A. Microwave B. Visible light C. Gamma rays D. Infra-red rays List-II...
- Select the reagents that reduce nitriles to primary amines. A. (i) LiAlH_4; (ii) H_2O B. Sn + HCl C. H_2/Ni D. Na(Hg)/C_2H_5OH E....
- Match List I with List II : List I (Transition metal/compound/complex) A. V_2O_5 B. Fe C. PdCl_2 D. Ni complex List II (Catalytic...
- Consider the following reaction : 2A(g) + B(g) 2D(g) U^ = -10 kJ mol ^ -1 and S^ = -44 JK ^ -1 at 298 K. Identify the **correct**...
- Match List I with List II : List I (Quantum Numbers) A. n = 2, l = 1 B. n = 4, l = 0 C. n = 5, l = 3 D. n = 3, l = 2 List II...
- In a qualitative analysis, Bi^ 3+ is detected by appearance of precipitate of BiO(OH)(s). Calculate pH when the following...
- Match List I with List II : List-I (Complex) A. [Pt(NH_3)_2Cl_2] B. [Co(en)_3]^ 3+ C. [Co(NH_3)_5NO_2]Cl_2 D. [Cr(H_2O)_6]Cl_3...
- Match List I with List II : List I (Order of reaction) A. Zero order B. First order C. Second order D. Third order List II (Unit...
- Match List I with List II : List I A. C_2H_4 B. C_2H_2 C. CH_4 D. NH_3 List II I. 3 bonds, 2 bonds II. 3 bonds, one lone pair...
- The number of hydrogen atoms present in 5.4 g of urea is: (Given: Molar mass of urea : 60 g mol^ -1 N_A : 6.022 10^ 23 particles...