NEET questions
18092 published questions with worked solutions.
- A wave travelling in positive X-direction with A = 0.2 m velocity = 360 m/s and = 60 m, then correct expression for the wave is :
- A whistle revolves in a circle with angular speed = 20 rad/sec using a string of length 50 cm. If the frequency of sound from the...
- In a PN junction :Not in JEE Advanced syllabus
- Specific resistance of a conductor increases with :
- Some charge is being given to a conductor. Then its potential :
- To convert a galvanometer into a voltmeter one should connect a :
- A capacitor of capacity C_1 charged upto V volt and then connected to an uncharged capacitor C_2. Then final P.D. across each...
- Identical charges (-q) are placed at each corner of a cube of side 'b' then electrical potential energy of charge (+q) which is...
- Which of the following are suitable for the fusion process :
- The magnetic field of given length of wire for single turn coil at its centre is 'B' then its value for two turns coil for the...
- A charge 'q' moves in a region where electric field and magnetic field both exist, then force on it is :
- Two bar magnets having same geometry with magnetic moments M and 2M, are firstly placed in such a way that their similar poles...Not in JEE Advanced syllabus
- The velocity of electromagnetic wave is parallel to :
- A sample of radioactive element containing 4 10^ 16 active nuclei. Half life of element is 10 days, then number of decayed nuclei...
- _ 92 U ^ 235 , nucleus absorb a neutron and disintegrate in _ 54 Xe ^ 139 , _ 38 Sr ^ 94 and x So, What will be the product x :
- In Hydrogen atom, energy of first excited state is -3.4 eV. Then find out KE of same orbit of Hydrogen atom :
- Reaction BaO _2 (s) BaO(s) + O _2 (g) ; H = + ve. In equilibrium condition. Pressure of O _2 depends on :
- Solubility of MX _2 - type electrolytes is 0.5 10^ -4 Mole/lit. then find out K_ sp of electrolytes :
- 1 M and 2.5 litre NaOH solution mixed with another 0.5 M and 3 litre NaOH solution. Then find out molarity of resultant solution :
- Solution of 0.1 N NH _4 OH and 0.1 N NH _4 Cl has pH 9.25, Then find out pK_b of NH _4 OH :