Physics Questions

7. In forward bias, the width of potential barrier in a p-n junction diode

AIPMT 1999 Semiconductor Electronics: Materials Devices And Simple Circuits

11. A body can be negatively charged by

AIIMS 1998 Electric Charges And Fields

12. Decimal number 53 is equal to binary number

KCET 1996 Semiconductor Electronics: Materials Devices And Simple Circuits

13. Pressure variation in a mechanical wave depends upon as

DUMET/DPMT/Delhi UMET 2008 Electromagnetic Waves

21. The density for simple cubic lattice is
where A = atomic number, a = lattice parameter, N = Avogadro's number

Haryana PMT 2005 Semiconductor Electronics: Materials Devices And Simple Circuits

28. The momentum of a photon of energy 1 Me V in kg $ ms^{ - 1} $, will be

Haryana PMT 2008 Dual Nature Of Radiation And Matter