# Recent questions and answers in JEEMAIN-2014

Questions from: JEEMAIN-2014

### Two short magnets P and Q are arranged such that centres are on the x- axis and are separated by large distance the magnetic axis of P and Q are along X and Y axes respectively. At a point $R_1$ mid way between their centers , the magnitude of total induction at R due to both magnet is $(if B is magnitude of induction due to a) ### A photo diode is made from a semiconductor with band gap of$2/5 \;eV$, which of the following ranges of wavelength it can detected ? ### Two white point dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. Approximately what is the maximum distanceat which thes dots can be resolved by the eye (wave length of light = 500 nm) ### A prism is made of material of refractive index$\sqrt 3\$. The angle of minimum derivation is equal to angle of prism, then the angle of prism is .

To see more, click for all the questions in this category.