NEET questions
18092 published questions with worked solutions.
- The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of :
- Which of the following processes is reversible ?
- The temperature of inversion of a thermocouple is 620°C and the neutral temperature is 300°C. what is the temperature of cold...
- A photosensitive metallic surface has work function, h _ 0 . If photons of energy 2h _ 0 fall on this surface, the electrons come...
- Fission of nuclei is possible because the binding energy per nucleon in them :
- Application of a forward bias to a p-n junction :Not in JEE Advanced syllabus
- The displacement x of a particle varies with time t as x=ae^ - t +be^ t , where a, b, α and β are positive constants. The...
- In any fission process the ratio (mass of fission products/mass of parent nucleus) is :
- An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 10^ 4 cal of heat at higher temperature....
- Zener diode is used for :Not in JEE Advanced syllabus
- A stone tied to the end of a string of 1 m long is whirled in a horizontal circle with a constant speed. If the stone makes 22...
- If the magnetic dipole moment of an atom of diamagnetic material, paramagnetic material and ferromagnetic material are denoted by...Not in JEE Advanced syllabus
- In a circuit, L, C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage...
- The angular resolution of a 10 cm diameter telescope at a wavelength of 5000 Å is of the order of :
- Two vibrating tuning forks produce progressive waves given by y_ 1 =4 500 t and y_ 2 =2 506 t. Number of beats produced per...
- When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, resistance between two of...
- Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy...Not in JEE Advanced syllabus
- If _ v , _ x and _ m represent the wavelengths of visible light, X-rays and microwaves respectively, then :
- Two boys are standing at the ends A and B of a ground, where AB = a. The boy at B starts running in a direction perpendicular to...
- A 5-A fuse wire can withstand a maximum power of 1 W in circuit. The resistance of the fuse wire is :