Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.
Which of the following phenomena establishes the transverse nature of light waves?
A 4 cm wire carrying a current of 15 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27...
The method of protecting iron from rusting, by coating a thin layer of Zinc is called -
Bolometer is used to measure –
When white light passes through a glass prism, which color deviates the least?
Why do brads not have respiratory trouble at the time of flying at high all?
A ray of light passing through an equilateral triangular glass prism from air undergoes minimum deviation when angle of incidence is 75% of the angle o...
Which quantity has the same dimensional formula as impulse?
In AC circuits, AC meters measure –